Actually, it’s nothing more than lazy slander pepetuated by duopoly apologists.
There’s zero proof Stein is “Putin backed”. She once sat at the same table at an international conference and barely spoke to the man. That’s it.
Meanwhile, AOC has been publicly performing as a genuine progressive for her voters and constituents all while voting and acting like a corporate Democrat behind the scenes.
Aesthetics, plus the seductive appeal that pre-modern, pre-liberal-democratic societies (when the governments were authoritarian, the women were submissive, and the men “were men”) have for reactionaries, incels, and cryptofacists.