In 95% of cases, the founder isn't smashing moral barriers because the VCs and shareholders are making them, or lording the threat of legal action or any some such.
In 95% of cases, the founder is smashing through moral barriers because their interests are aligned with the VCs: because they think what they are doing will lead to stupendous mega-wealth for them personally.
Like sure, I think the idea that corporate execs must be beholden to maximizing share price is a) corrosive to our society and b) not as true as often portrayed, but I don't think that's even a real factor here.