While your argument is kinda bad, its also incorrect. They moved to russia before the current war. Also its their home country, the world isn't progressive enough that this isn't every immigrant's default choice.
Well, I hope he enjoys his beloved home country now. He will have to stay there for quite a while.
Edit* looks like he does indeed enjoy it. Good for him. https://twitter.com/roman01la/status/1625254253156528147/pho...
What in that twitter thread makes you think he enjoys it? The fact that he does not share a certain political opinion? Is a political belief, or lack of it, enough to enjoy life in a country?