I think it only serves as a reminder they could take out other nations satellites should they choose. Almost like a reminder of M.A.D. and that if we think about attacking them in any way they can say you better be careful or else!
Russia has had solid space capabilities for decades and decades. Did any nations have any doubt that Russia had the ability to take out satellites if they wanted to?
“The Don considered a use of threats the most foolish kind of exposure; the unleashing of anger without forethought as the most dangerous indulgence. No one had ever heard the Don utter a naked threat, no one had ever seen him in an uncontrollable rage. It was unthinkable.” ― Mario Puzo, The Godfather