Fortunately, nobody is forcing them to do business in Russia. But doing so entails acceptance of whatever local rules there are, including rules the vast majority of people might consider wrong.
I can promise you that Facebook & Co happily hand information on any individual to US law enforcement as long as there is a court order. They don't look at the person in question and then decide based on their own sense of morality whether they "should" supply that information. They simply do it.
