As an American, I know that every day someone around me is having their life ruined or ended by people I could have stopped. Not broadly, but one on one I have the capacity to end their intent to harm before they harm someone else. Big picture that’s not going to change much, I’d likely be ended or removed from society for my efforts and there’s no guarantee the harm to the person I tried to protect keeps them from harm by those same forces indefinitely. Ending state sanctioned brutality requires state level mobilization of forces willing to oppose that. And then, yeah, it’s a meat grinder of attrition, destruction, and innocent lives in the crossfire until, hopefully, the aggressor capitulates. Then whoever is left does their best to rebuild and learn from the lesson.
You live in a country that has long lived on the border of a ferociously aggressive neighbor and bled to maintain its independence. I live in one that was once the underdog, tore itself apart over the debate about human rights, and has gone on to be both anti-fascist and fascist af. Diplomacy and trying to limit the fallout of full scale war is great, but eventually there’s opponents who have the power, have the resources, and have the support that will only be stopped when enough people lace up their boots, accept their terms, and say “no”.