I never cared for Vaughters and just lumped him in with the Armstrong/Postal doping crowd.  Reading the review of his book was pretty enlightening,  The peer pressure aspect I've heard before, but not so bluntly.  (It's funny; I was such a loser as a kid that I was never even on the outskirts of the peer group and those pressures missed me entirely.  I was never pushed to either drink or smoke.  I did fall into the pot crowd esp in college, but not by outside pressure.)

https://www.velonews.com/2019/07/commentary/commentary-vaughters-rewrites-the-book-on-cyclings-doping-era_495508

I like Voughters' observation that the doping peer pressure is entirely gone in today's peloton; that dinner conversation (for example) is about things normal men talk about, not drugs.

Ben