Not saying that publishing your salary isn't important, but for me the linked article sounds more like bragging and virtual signaling, like "I went from dishwasher to google developer, earning almost 700k/year but i gave up from everything to work with what I love.".. From $634k/year, to something like $34560/year? This makes 0 sense. If he would donate $400k/year to the cause that he wanted to help, would be much better for the cause and to his own familiy, than he investing 40 hours per month on that.