Legalisation of anything increases dealing of it in every level. Just like weed, just because it's legalised it didn't get off the streets, if anything more and more people are being involved with dealing it. Also what is your idea of "moderation"? You can't really moderate something, as soon as it becomes legal in any level people will find ways to get their hands on the supply and deal it illegally.


However, there are many recorded cases of people committing murders while high on LSD that they have no recollection of after the trip, which is objectively worse.