Cryptocurrencies

[Poopadoop]

They're supposed to be ethical and make it clear they have been paid to promote what they're shilling, but occasionally they don't.

Hard to say this with confidence - you can't really compare the number who do with the number who don't, since the latter is unknown.

When they get found out

That's what offshore banking is for.

Being a con artist is as fraught with danger and being an investor.

Maybe, maybe not. Certainly the risks are higher since you can go to jail. But they have to catch you first. The best cons are the ones we never find out about.