Yes if you read the fine print you can tell what your chances of social mobility are from a lottery ticket. It's fine if the wealthy elite take the 1000x returns from successful startups.
We wouldn't want the poor hurting themselves.
Coins represent a better approach, one not walled off to the general public. Coins can represent concepts or goals that live beyond a centralized organization providing documentation. Of course there is vested interest in regulation. Accredited investors love the walled gardens.
People keep spouting that argument, and I'm utterly unconvinced of its relevance. Namely because you're arguing against the very things that would compel disclosure of the information required to make an informed decision. The other two things you mentioned have that information provided.