They did their civic duty and moral obligation by paying the exact obligation asked of them by society. If they don&#x27;t use the number they got by following the tax law as written, which number do your propose is the ethical one? Rule by moral indignation of upper-middle class software developers is not a scalable system.<p>If the tax law is written unsatisfyingly, try to fix the tax law. Don&#x27;t claim immorality on the part of those who are working within it.<p>Or colloquially, don&#x27;t hate the player, hate the game.