Welcome to reality. The whole "google is ethical" is a mantra they've always said to attract naive programmers like you. The point is for anything unethical but profitable in any way, someone else will end up doing it anyway so why not do it yourself.
Morals only work at the scale of a closed society (be it a full country), not at the scale of the world.
To be fair, once upon a Time they did make the decision to pull out of a very profitable and growing China. And their competitors didn't, they are still there helping evil. Once upon a time, Google genuinely did put values above profit - maybe not perfectly, but certainly with significant
and meaningful impact to their business. Once upon a time anyway.
Morals only work at the scale of a closed society (be it a full country), not at the scale of the world.