Interestingly their survey was conducted using Mechanical Turk. It struck me as highly dubious they could possibly control for the myriad dimensions of persona

Interestingly their survey was conducted using Mechanical Turk. It struck me as highly dubious they could possibly control for the myriad dimensions of personality and social background with any statistical significance with a sample of 1487, of which, what, 10% would have taken psychedelics? Turns out it was 26.9%, versus a background level of 13.6% found in some larger study. So I think one thing we can safely conclude is that that taking psychedelics tends to turn people into Mechanical Turks. Or the other way round?