IMHO it's not anyone else business to know why people would work in a certain place, as it is not people business to tell others what are they allowed to dislik

IMHO it's not anyone else business to know why people would work in a certain place, as it is not people business to tell others what are they allowed to dislike paradoxically, i personally stopped seeing friends who went to work for Google and another for Facebook, are they free to do their things? am i free to non appreciate someone who actively support things that i consider evil?