In fairness the Russians did attempt to conquer the entire country. I may have missed it but when did Putin say just give us the Donbas and we'll stop there? And the Donbas used to be majority ethnic Ukrainian but the ethnic Russians there with Moscow's help drove most of them out of their homes. If a country is trying to maintain its sovereignty they have a right to repel invaders. If anything the Ukrainian war exposed the Russian military as poorly equipped and lacking training.
It’s important to have a clear head and realize reality.
Ukraine did put up a fight and mostly thwarted Russia but now it is at a standstill at best. They took heavy casualties as did Russia.
Russia will get Donbas
Ukraine is not getting into NATO
The only way this changes is if other countries join the conflict. Raising the threat of nuclear warfare, unnecessarily.
This war showed that Russia is not a major world player. Just a regional player. There is no valid reason for the rest of the world to risk nuclear war over Ukraine losing Donbas region.
Wars have consequences. Ukraine and Russia both are suffering from them. It’s time to end it.