There are plenty of people who don't work at these companies for these reasons. There could be more of those people. But there will still be enough who are will

There are plenty of people who don't work at these companies for these reasons. There could be more of those people. But there will still be enough who are willing to do it for the right price or who actually support the morality and ethics of doing it, that it will still get built even if the vast majority of the tech industry conscientiously objected.