That’s only because those that should have been at the ready in their hemisphere - that included Hawaii - were asleep at the wheel. Furthermore, it’s time the Europeans put their GNP to defending themselves.
Actually, they do defend themselves. We just prefer to stay in the game so we know what the Russkies are doing.
The Russians are not in the position to invade anyone. All they can basically do is impress foreign countries (who need weapons) with their military hardware. That was one of the reasons for that whole Syria operation. Look at all the videos the Russians created showing their hardware at work.