They're fighting for their own existence. Russia has killed, enslaved, and/or tortured most of the citizens of the regions it's already captured, and replaced them with ethnic Russians.
I'm a big supporter of Ukraine and have donated to the war effort and hosted Ukrainian refugees.
Why is the satellite imagery just huge piles of rubble?
I’m not sure why you are combative about this. Do you think any form of moderation or precision in language is surrender to the enemy?