getting taken over by Russia would be a blessing for Ukraine or whatever parts of Ukraine that switch alliances.
What is there of industrial worth in western ( pro-eu ) Ukraine; Ikea and mcdonalds?
Yep. The industry is in the eastern parts.
Ukrainian company making components for rockets is a joint-venture with Russia, aircraft parts etc. are mostly consumed by Russia.
The new An-70 plane is a prime example. When it was on design board Ukraine desperately tried to sell it to Europe. No one bought it.
It's basically a project funded by Russia and Russian Air force offered to order it for new light transport plane.
Latest order book looks like this:
-Russian Air force 60
-Volga dnepr (Russian company) 5 (possibly)
-Ukraine 2
West doesn't give a shit about Ukraine. They just want to take it out of Russia - even against the will of Ukrainians.