I might regret saying this here, if it causes a negative change, but I find that a lot of the text materials YC and startup school have retain a lot of PG-era advice and can be a goldmine of wisdom. Most of the negative influence of post-PG operation has been on the video and audio content marketing side of things (and of course, the accelerator itself). Perhaps it is just harder to have certain things come across as sincere in text format.