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I don't know any good sites for finding chargers in the US... I know Tesla has a map but it doesn't show everything.

Anyway, the UK is complete crap compared to the rest of western Europe, especially Nordic countries. Even so, you can see that there is actually quite a lot of infrastructure already: https://www.zap-map.com/live/

I don't have any trouble destination charging pretty much anywhere I want to go. There are still dead spots but of course in reality the chances are they do have electricity, very few places are off the grid. It's not there yet but it is improving.

If you look at countries like Norway where they are installing massive amounts of on-street charging, almost every car park has it, loads of rapid charging... And if Ford got on board and invested too they could actually make some on-going cash from the charging.

There are several companies attaching plugs to street lamp posts. Potentially every lamp post could be a charge station.
https://www.zap-map.com/lamp-p...
https://techcrunch.com/2017/04...
http://www.independent.co.uk/e...
https://www.fastcompany.com/30...
https://johnbrianshannon.com/2...

It's an easy problem to solve.

Really?

From that page:

From the top of the same page (emphasis mine):

With new points being added daily, the landscape of UK charging point infrastructure is continually changing.

You might have missed the recent news but UK stopped being part of the European union.
(And EU regulation were big point on Brexiters' agument list).

Now for the detail :
- EU standard is Mennekes and Combo (the later is a backward compatible super-set of the former. You can charge a DC enabled car, with AC Mennekes charger - you'll only be limited to the maximum current of the AC). Together, even in the UK, Mennekes and combo account for more than half the cars.
- Mennekes and Combo are a recent standard (2013). Chademo is still getting phased out (and this will take time until it disappears, as there are still cars using it on the roads - mostly japanese brands where the standard was developed). But you can see on the yearly graph that there is a stagnation of Chademo between 2015 and 2016, and that there's an explosion of Mennekes and Combo over 2014/2015/2016.

If you look at current european car statistics :
- the top selling cars of 2017 (Zoé and Leaf) are Mennekes based.
That gives you a nice idea of where the current trend is heading.

But in the old continent, Mennekes and CCS are the dominant connectors by official standardisation.

Really?
From that page:

The CHAdeMO 50kW Rapid DC chargers are the most widespread with 820 connectors -- 36% of the total.

Global network.

10,000 chargers.

That's one every 5750 (ish) square miles.

Well done.

P.S. There are about the same total amount of petrol stations in the UK (though it used to be 4 times as many back in the 60's, but obviously ranges have increased and super-stores are now the preference rather than small independents), but in the UK that still gives you a petrol station every 9.5 square miles or thereabouts.

To be honest, according to: https://www.zap-map.com/statis... there are nearly 4000 Tesla and non-Tesla locations where you can charge a car just in the UK, with 12000 charging points. Even in the UK, electric is only one-half of petrol availability.

These Tesla stations are really a minority. They don't need to double, they need to do something radical like ten times the number of chargers just to start competing in the US alone. And continue that until saturation.

God knows how much electric 100,000 fast-charging stations pull. I doubt it's any more environmentally friendly than even 100,000 petrol cars.

Nope.
The bolt will ONLY accept 40 KWH at a DC fast charger. As such, it will do 90 miles in the first hours, about 120 in the first 90 minutes, but then slows down. In fact, the fastest that I could find anybody had charged a bolt at, was from 20 miles left, it took 2 hours and 35 minutes. Keep in mind that as it fills up, the fill rate will slow way down. That is why they all speak about the first 30 minutes on the bolt, and the first 45 minutes on the tesla.

Secondly, McD will NOT be putting in fast chargers for ANYBODY. However, Places are installing level 2s. Now, Tesla offers their level 2 device for free to any company that pays to install it AND offers up free service (even if limited to their customers).
So how many do they have? As it is, Tesla has over 3000 destination chargers JUST IN THE US along with around 350 SuperChargers. Note that by end of year, Tesla expects to double their super charger count.
Even in Europe, they just started doing destination chargers this last year and they are over 1000 of them.

Now, it is interesting that you mention about the Superchargers being so far from your house. These are NOT meant for daily charging. You are supposed to do your daily charging at your home in the middle of the night. By doing 80% of the charging in the middle of the night, then we do not have an issue with the grid or poer plants. In fact, it will LOWER the costs of electricity. It is hybrids and leaf owners that charge in the daytime on a constant basis that are going to screw all of us.
The superchargers were developed for LONG DISTANCE driving. These were not meant for daily re-fuels the way some of the nutjobs have been doing. In fact, if you look at the price that Tesla now charges the new teslas using the SCs, the price is always MORE than the nighttime prices. Some of that is due to eletric company charging more for daytime, but Tesla designed it this way purposely to discourage daytime charging.
Now, the current Tesla Super Chargers can add 149 KWH to certain tesla's. The older one like we have, only accepts 120, or possibly only 90. BUT, Tesla has a NEW supercharger coming that will do well above 350 KW, and I have heard around 500-600 KW. That means that the average Model 3 with a 50 KWH battery will FULLY charge in less than 10 minutes (slows down towards the end), but can charge to 80% in just 3 minutes. Obviously, Tesla will likely charge a high price for that re-fill. Still, it will be less than $1.00 / gal of gas equivalence.

Charge car battery up to 70% in 2 minutes? Dare you calculate the amperage needed? Somewhere in the ballpark of 10000A in 12V? That would do it, melting all wires in the connection.

You're thinking of standard lead-acid car batteries for ICEs.

Charging stations operate at "slightly" higher voltages: See Charge point basics for details on European ones.

EG, of the faster AC ones, ~40kW, for example, use 3-phase power at around (_IIRC_) 450V.