[ConservingFreedom]

Evidence was weak for many other conditions

More precisely, "Most trials showed improvement in symptoms associated with cannabinoids but these associations did not reach statistical significance in all trials." Sick people seeking relief aren't too concerned about statistical significance.

[hinckley buzzard]

No. But they should be. They will spend a lot of money to grab at straws sometimes, and maybe get a placebo effect. "No statistical significance" means "no better than chance."