>FYI, that includes pg's thinking on the use of lisp for viaweb
Yeah, I for one think this was equally flawed. People have made succesful and quickly iteratable web services/apps in all kinds of languages, including Perl and PHP.
Plus, one single data source like pg had is never that accurate, plus the fact he and Martin were already Lisp guru s helped them in their use of it.
Well, they're right pretty much by definition - otherwise it wouldn't matter at all what technology you use. You could code your CRUDs in Brainfuck connected to MongoDB. In real world, you gain consumer advantage by e.g. chosing right database for the problem, or playing to language's strengths (which is what pg done at Viaweb).
That or more hardware to overcome bottlenecks caused by bad code. "It's running slow, we need more memory!". After some investigation, really... you've got 8 joins without using keys, and you're getting paid more than us how?