Is B Corp a real thing? It's not equivalent to non-profit and they can always stop being B Corps. Wikipedia lists Nestle Nespresso as a B Corp example, not very inspiring.
This is correct. But a public benefit corporation is still for profit. And the "benefit" is very vaguely defined. It might be defined in their charter, but the only people who can hold them responsible to it are the investors. And as we know, most of the investors are VCs... So...