What's your point? He's not saying every company should work this way. He's saying "this is a way to do it that works when you have other time constraints".

In Patrick's case, doing it this way got him from full-time job to full-time startup entrepreneur without taking a dime of money from anybody but his customers. We'll see what he comes up with after a few years of doing it full time.

Finally, writing a database from scratch? Crappy business to get in to even if you're full time!