Earlier quoted context omitted.
> How do you stop harassers sending unwanted money? idk, but this sounds like a great problem to have.
Not really. Someone steals money, sends them to you, your are having lots of trouble proving you are not an accomplice. If you are a government official, you can be framed as receiving a bribe. In russia government can send your organisation money from abroad via an agent and then shut you down as a 'foreign agent'.
They could do this with traditional banking systems as well. Presumably the Russian government has a high degree of surveillance with regard to their domestic banks like every other nation in the world has. Creating a false financial trail is made slightly easier with crypto currencies, but for a nation state it's not hard to do with traditional banking systems.