No, the actual full list of requirements is on the SEC website site.

I think they are trying to point out the seller may not be required to verify. Only ask.

Like the age check on logged out YouTube videos

No, those are not actual requirements.

Legally speaking that is not correct. Maybe in practice you can do that, but it opens you up to very real risk.

To your bog standard human being, trading Stripe stock has significant barriers vs trading a public stock.

What “very real risk”?

Not legal risk, certainly.

“Risk” in economic terms? Yeah that’s the whole purpose of claiming to be an accredited investor.