The problem with startup theory is, that the theory that actually works is mostly the "don't do this". Only once in a blue moon does they prove to be wrong, but

The problem with startup theory is, that the theory that actually works is mostly the "don't do this". Only once in a blue moon does they prove to be wrong, but they are also the least valuable as many of the are quite obvious. The part of startup theory most people are interested in "the do's", most of the time doesn't work as they are highly contextual.