And a majority of russians support the war now... some because they support putin, some because they want putin to protect the russian minorities in ukraine, and a lot of them because of the propaganda in russia. Yes, some people don't want that, and articles like this one now is a part of anti-russian propaganda.

America had its own share of propaganda, that brought popular support for those wars... some even very fake one: https://en.wikipedia.org/wiki/Nayirah_testimony America also had hippies and other anti-war groups, so the situation is not that much different.