I don’t care if they did or not.
The Ukraine’s problems are not America’s problem.
Oddly enough, I haven’t seen posts on us going to Burma, Nigeria, the Central African Republic, the tri border area in South America, etc.
I guess “atrocities” only matter in a moral sense based upon some GPS based criteria.
Libya is still in a civil war from our bombing in 2011.
China and Russia are allies. Ukraine’s victory is in our national interest. It prevents Russia from moving on Moldova and the Baltic Republics. It also makes a PRC invasion of Taiwan less likely.