And actually you can check out the apt-build package. Just type 'apt-build install foo' and it will automatically download the source, build an optimized package for you and install it. There are options for it as well, so you can tweak your compilation the way you want. It even handles package upgrades.
In your line of thought, how can you abdicate the responsability of coding a solution to a problem to the author whose program you are installing..
And actually you can check out the apt-build package. Just type 'apt-build install foo' and it will automatically download the source, build an optimized package for you and install it. There are options for it as well, so you can tweak your compilation the way you want. It even handles package upgrades.