I don't buy this argument. Violence and oppression is everyone's business, everywhere. We're all the same humans, not some kind of tribal serfs.
On the contrary, we should be constantly talking about abuse in China and Russia, just as we should be talking about abuse in UK, USA or EU.
I was born in 70's Poland just as communist troops were shooting at protesting workers.
The worst thing could happen to us back then was the world to forget about us.