You need to pay attention then.
https://kyivindependent.com/pro-palestinian-activists-destro...
https://www.bbc.com/news/articles/cy7x68jrdmlo
https://time.com/6589923/nancy-pelosi-pro-palestinian-protes...
https://www.washingtoninstitute.org/policy-analysis/russias-...
And this isn't counting the countless TikTok influencers, trade unions, etc... that are all anti-"war" and have pro-IRGC and pro-China views.
And while you're kind of right that few are outright carrying water for Russia, at least publicly, they all conveniently support what Russia supports.
This ranges from propaganda to entirely unsurprising. Propagandists work to hamper causes that are inconvenient for their side. Meanwhile of course our geopolitical adversaries will offer support to otherwise seemingly unrelated causes if it somehow indirectly serves their ends.
The average joe in the US (and presumably the west more generally) does not care one whit about the causes of russia or iran.