Well, even if it was legalized, I don’t think it would go that far. Most people, even though it’s illegal, get the opportunity to try it, and only a minority seem to enjoy it and want to keep doing it. Even a lot of those folks grow out of it after a few years.
I expect if it was legal, more people would try it and use it, but it would still probably be a minority that abused it regularly.
It will probably be virtually mandatory. Even before it was legal you could get pulverized if you refuse to do it.