It's not a moral position, just a statement of fact.
He - personally - didn't teach them anything. He just conscripted them into an army and tried to use it to invade the Ukraine.
He's captured some territory, but not nearly enough. It is totally immoral as well as pretty foolish, but he doesn't change his mind nearly as often as Trump, and he doesn't seem to be obsessed with exploiting photo-opportunities, though he's happy to exploit Trump's obsession with them.
So what. Climate change is a decade-long process. Weather is chaotic and nobody pays any attention to slow drifts in the climate (which isn't chaotic) until some low frequency weather event kills a few people.