There is so much potential in this and so much catching up to do. Many who are familiar with the relevant substances know this.
Our various corrupt systems (political, financial, "health" care, media, etc.) have deliberately prevented this type of therapy from exploding for a very, very long time. It will massively reduce the pharma industry's revenues, among other things.
Whatever bizarre conspiracy theory that would convince you of the opposite is evidence that there's already lots of money being spent.
And a whole lot of new risks to go with the potential. As the saying goes: it's important to keep an open mind, but not so much that your brains fall out.
As long as alcohol is legal and easily available we shouldn't worry about psychedelics. I know plenty of people who have taken all kinds of psychedelics and seem OK. Psychedelics just don't seem very addictive for most people. I also know quite a few people who have been hurt by alcohol. They either hurt themselves or they hurt others while drunk.