And contrary to what you said about his finances, I wouldn't say Satoshi was a poor man, I would consider him a very reserved man and even if he has money he would be the time that values what he has rather than getting the latest version (there are rich people like that) the major thing right now is that he created Bitcoin and it's in use now and would be for a very long time, I don't bother about all the drama surrounding his identity.
That's false for a C programmer, as it would cost a LOT of time compiling, a C programmer always try to have the best possible CPU he can get. Imagine take 2 hours+ for a build to find a bug, fix it and take more 2 hours+ to rebuild... Building C/C++ sources with old CPUs wasn't like nowadays, it takes ages for compile and link!
Nick Szabo would have resources for test it with Vista, and probably MacOS and all Linux flavors, even if not his own hardware, as he works with universities.
This also give Bitcoin the aura of being created by a common person, "for the people, by the people".
Though yes, I keep respecting his privacy, if that's his wish, yet from all the stories I read about the attempts to get his identity or people coming forward claiming to be him, that story was the only one I can give some credit.