The people who watched their loved ones die as a result of the bombing of the theater don't seem to think so. You can read what they have to say in this article
That’s ok I’ve seen enough war propaganda on both sides, mostly from the MSM, and the vast majority of it is pure bs. This is not good guys vs the bad guys, it’s bad guys vs worse guys, and in the areas being invaded by Russia, the Russian army is largely seen as the liberators.