That’s not why Russia invaded
They invaded over the eastern provinces Russian majority desire to be Russian and Putin’s insistence no NATO
And whatever Putin’s aims he hasn’t made public
That Ukraine as a nation or democracy is so flimsy and where it is means not our interest particularly
Even Strelkov, the former Minister of Defense for Donbass, describes the area as a shithole that has been utterly ruined by Russia's military. Now it is even worse, since the Russians have forcefully mobilized all men up to the age of 65 to fight, with only a few days of training, and being given WW2 guns and uniforms. They are dying right now in massive numbers as meat.
When Ukraine wins and drives the Orcs and Goblins out, we will learn the full extent of mass murders, raped and other crimes committed by Russia on the allegedly "Pro-Russian" population there. Based on preliminary information from people who have escaped there, they compare it to a nightmare open are gulag.
If you’re so committed to self-determination then let Russia hold a vote for independence in Koenigsburg.