While most countries took a pro-Ukraine stance, there's a non-negligible amount of neutral countries. In particular are India and China. I'm sure they wont be very happy if IANA effectively breaks their internet connectivity to Russia.
It's like having a criminal break into your house.
If my neighbours are unhappy with me taking action against that criminal - maybe they're friends with him - I'm not much inclined, in the situation, to have much sympathy.
I hate all of them, but I wonder why wars in the middle east don't trigger sanctions and media attention and this invasion does.
Ukrainians know what’s next, just like my ancestors did: genocide