Fantastic news for the US and the scientific research of psychedelics as a treatment for depression and anxiety. Meanwhile, on the other side of the atlantic, it's a nightmare to get our politicians to even begin talking about cannabis (Sweden).
This all routes back to the Cole memo issued by the Obama DOJ, which (correctly IMO) identified federal jurisdiction as limited to interstate commerce, and effectively issued guidance to states that the federal government won’t intervene if it determines that local governments are making a good faith effort to prevent product or sales from crossing state lines.
Full legalization is almost definitely inevitable, but these sorts of patchwork laws will persist until federal law changes. Increasingly it seems likely that several holdout states will remain so until that time and may remain so even after the fact.