What a ridiculous and ignorant thing to say. It's hard not to laugh.

• The dedicated organization in 1930s Germany for beating up the brownsharts was founded by a Stalinist party. https://en.wikipedia.org/wiki/Antifaschistische_Aktion
• The counterinvasion and destruction of Nazi Germany is one of the tankies most celebrated historical achievements.
• Present-day tankies are strongly involved in anti-fascist organization worldwide.