Russia is being sanctioned by every major country. The Ruble is down 40%+. Putin's reputation on the global stage is demolished.
Surely he knew there would be dire consequences to invading Ukraine, and he chose to do so anyway. So either he had damn good reason, or he is retarded. The MSM would have you think the latter.
He is not retarded. He is draining the swamp and the swamp-rats don't like it.