Even (pseudo)opposition polls generally show that most people support Putin? Yes I understand that polls in such a society might not be particularly meaningful. But I'm not even saying that most Russians actively support the government, implicit support (i.e. being unwilling to risk anything to change the status quo) is almost as good.
> "lowest classes"
I find it hard to believe that there aren't plenty of people who are middle class and above who support the regime. After all Russia's economy is almost entirely based on raw resources extraction and (now) military related industries.
> If your image of the Russian society is based solely on US left-wing media
And yours is based on Kremlin propaganda channels and media sources? See what I did there? Both assumptions are equally valid/invalid and neither contributes anything to a meaningful discussion besides immediately shutting down the possibility of one existing.
