I would say, this is different.
If we look at history, it's closer to Iran-Iraq wars.
Saddam pulled a historical grudge out of the ass, wrapped it in bizarre, artificial semi-religious ideology, and tried to draw an image of "people's war" with propaganda.
Then he started the war with people who 1) actually have a real historical grudge, 2) are real religious warriors, and crack good at that, 3) were much better at "people warring" than him, forcing him to retreat in complete ignomy after poking the beehive, which later causes an existential crisis within his regime.
Heck, I would say Putinism is the closest thing to Baathism. Random nonsense from communism, religion, and fascism glued together, and called an "ideology," which then not even its own members can understand, or explain.