This means that everyone else doesn't have much to worry about. It would be like if Argentina decided to ban MtGox.com. It would only affect argentinians.
Agreed.
Another example: Sergey Brin, Google co-founder, is Russian. But Google is an American company.
Will you worry if Russia decides to ban Google?
Stan Bokov, TradingView co-founder, is Russian. But TradingView is an American company.
Will you worry if Russia bans TradingView?