Quit is the real threat you have.
If every truly valuable employee threatens to quit when company is going into directions that are non-ethical, the world would be a in adifferent place.
No, because then I'll have to entities to negotiate with.
I can be in disagreement with both, so I'll rather be with just one, the value I provide to a company should be enough that my quit threat is good enough, otherwise, plenty of companies out there.