You don't understand. Trials are carthartic and necessary.
If you just kill the bad guys, then no one will remember WHY you killed them. You have to put them on trial, present the evidence against them, let them make their lame excuses, and then kill them. Then you write everything down so that historians don't screw it up again.
Otherwise, you risk the chance that your enemies will infiltrate your society, label you and your people as evil tyrannical dictators, and rewrite history in their favor.
If you just kill the bad guys, then no one will remember WHY you killed them. You have to put them on trial, present the evidence against them, let them make their lame excuses, and then kill them. Then you write everything down so that historians don't screw it up again.
Otherwise, you risk the chance that your enemies will infiltrate your society, label you and your people as evil tyrannical dictators, and rewrite history in their favor.