Musk did nothing to do that, increasing tension between Russia and the US did.
Apart from that, keeping a large number of Russian rocket scientists and engineers gainfully employed after the collapse of the USSR wasn't some Star Trek fantasy, it was the right strategy. Much better than letting those chips fall where they may. We'd have seen a lot worse than Scuds in various wars.
Third, if we're talking about idiocy, that monikers fits 'narrow national hatreds' rather well.