This also isn't to fault anyone who instead chooses to leave, instead.
I also think your comments diminishes the actual impact lots of folks have had, such as stopping donation to certain PACs. Relative to many other groups of workers, tech workers actually have more leverage.
Lots of lists of people who, in a just society, would be valorized and treated as national heroes:
https://www.whistleblowers.org/how-whistleblowers-changed-th...
https://stfrancislaw.com/blog/10-most-famous-whistleblowers/
Or for that matter, doing the possible/doable thing vs trying (and failing) the impossible. Sometimes "the right thing" is just not possible because the obstacles in place are literally insurmountable. At that point your only real options left are a) pick a thing that can be done and do that instead (not always "easy"), or b) give up and accept "that's just the way things are".