The whole idea of being able to build the first nano-bots is to boot-strap into a real nano-bot era.
Build a small nano-bot sophisticated enough to help you construct v0.000000002 of the bot, which you the use to build v0.000000003, and so on until the bots become advanced enough to perform some real work.
It has many parallels to computing and construction of new processors: build a processor, and use it's power to help you build a bigger better one.
The whole idea of being able to build the first nano-bots is to boot-strap into a real nano-bot era.
Build a small nano-bot sophisticated enough to help you construct v0.000000002 of the bot, which you the use to build v0.000000003, and so on until the bots become advanced enough to perform some real work.
It has many parallels to computing and construction of new processors: build a processor, and use it's power to help you build a bigger better one.
Thats my take on it anyway.
R