Earlier quoted context omitted.
Is there evidence to support the claim that Van Gogh believed cutting his ear off was important to his life and work? If not, then this is a very different example to that of Jobs' claim and is an equally poor way of refuting a position.
There's no evidence to that. From my personal experience (yes, anecdotal etc) with dozens of LSD taking friends over the course of many many years, they all end up attributing huge importance to their acid trips, and all the insights gained from them. The problem is this is the same with the brilliant friend, and with the do nothing, sit on my couch all day friend. For example: one of my friends, after taking acid, w…
I don't think anyone here is arguing the position that LSD will have a profound impact on anyone who takes it, just that it can give people a different way of looking at the world and sometimes that leads to novel and important insights.
Replace "LSD trip" with "university degree" in your example. Sure, there are many people who take a physics course and feel as though they have had profound insights but actually haven't. However, you can't use those examples to argue that everyone who claims their physics course has inspired their life and work is lying.