The answer to your question is that the CIA took over the Ukraine government like a Cordyceps fungus and forced the Ukraine to do its bidding for the CIA's benefit, not the Ukraine's.
FOG of War—we will not know the truth for ten years and it will be ugly. In the future Russians and Ukrainians will wonder why they were fighting? Like we puzzle at why boys from North and South took up arms against one another in 1861. War is a terrible thing—to be avoided at all costs. Its not a video game or a movie. It taps into the evil within each man and woman. Still, lots of people and companies can get rich, and it improves technology—without WW II would we have advanced computers today?
The answer to your question is that the CIA took over the Ukraine government like a Cordyceps fungus and forced the Ukraine to do its bidding for the CIA's benefit, not the Ukraine's.
The Ukraine-Russian war would never have happened if President Trump remained in Office. Russia took pieces of other countries in the Obama and Biden administrations, but not under Trump.
Thank you for you bit of sanity. Yes, it will be ugly. The Ukraine-Russian war has changed the face of warfare. It is the first truly "drone war".