[yestoallthat]

> They'd all need to stop, simultaneously.

Plenty of people stop all the time, plenty never started.

> In the meantime our world is such that any company or person who refuses on ethical grounds will be outcompeted, and go out of business.

Again, no. Plenty of individuals and corporations refuse to cut plenty of corners that would give them 0.N% more profit on purely ethical grounds. If the world was actually like you described, nobody would even survive the first day after their birth, they'd just get eaten.