We are complicit in our employer’s deeds

US citizens have excellent mobility also internationally. Valley engineers certainly can find jobs in e.g. Europe or other parts of the world (if they accept the cut in paycheck). Immigration is not a thing only for poor third world people.

I almost agree with you... but it's not always that simple. I personally have little faith left in America, and would love to move somewhere else, but I have one fatal problem: I don't have a degree. Hardly any countries with better political prospects than America are interested in giving visas to anyone without one.

But even for those who do, a change of nationality is much more traumatic than a change of career. You risk leaving basically all of your family and friends behind, spending years integrating into a culture where you may not speak the language, and abnormally large expenses for moving and establishing yourself there... while I don't entirely disagree with you, it's not really on the same level as the arguments I'm presenting about career choices.