This "don't reward bad behavior" argument, which I've heard countless times now, is super weak. Because Russia has lost hundreds of thousands of men. They paid dearly so far for this war (but not as much as Ukraine). You think that they will say "that was easy we didn't get punished, so let's go do it again?" No, the cost of this war was so high already that we don't have to make it even more costly to avoid moral hazard. I'm sure it is already clear to all would-be aggressors that the cost of aggression is super high.