I'm not.sure how weak they are with nuclear weapons, thousands of Tanks, hundreds of billionaires with expropriable assets, public opinion by all measures supporting the regime... sure, they might have poor foreign relations but both their capability to do harm is quite high and our capability (or willingness) to retaliate still seems to be limited. The USSR was a far poorer and smaller economy than the US. That did not mean they were able to pose a major threat.
The fact that only ~52% of the member states of the UN voted yes to condemn a blatantly fraudulent, deceptive, forceful, and illegal annexation of another country, which pretty much threatens every country that prefers not to be invaded by a neighbour, is proof of how much clout Russia can wield.
It also shows what a pointless joke the UN has become.
The UN works well, it's just the Security Council is a mess.
