Someone already did post it in bug reports.
In fact, its been posted in bug reports for YEARS now. Repeatedly.
Summon Frenzy Totem node - “Maim” does not work as intended
“Maim” from “Summon Frenzy Totem” BUG
Sabertooth, Frenzy totem interaction (Maim) not working
Apparently the skill has never worked. Its been bugged since it’s inception. But don’t worry, the new cosmetics work just fine 