> As a society, we should look out for the vulnerable part of our population.

Having read a bit about the neuropsychology of gambling addiction, I agree.

Slot machines are specifically designed to turn those who are susceptible to it into addicts.

Some people simply don't have the mental capabilities to distinguish a legit investment from a scam.

Maybe some kind of authorization should be required if you try to wire your life savings to a crypto exchange. But banks only ever ask questions if a lot of money comes in, not when it flows out :D