Polls show most Russians are backing Putin
https://www.theguardian.com/world/2022/mar/04/russia-appears...
https://www.theguardian.com/world/2022/mar/04/russia-appears...
It's easy to build domestic support for almost any war in the early days. It's the long hard reality of war that turns people against it.
If most of the media around you is state-sanctioned and pro-Putin, it's super easy to go along with Putin's justifications.