pg's advice on doing things that don't scale isn't new. He told us the same thing when I was in the YC S09 batch (4 years ago). So, with 4 years (maybe more)

pg's advice on doing things that don't scale isn't new. He told us the same thing when I was in the YC S09 batch (4 years ago). So, with 4 years (maybe more) of data, I am sure that the advice works really well for most YC startups. And, that's probably why pg decided to wrote an essay about it.