Are tankies really that big of a problem? No one worth their weight (or not chronically online) actually uncritically worships former socialist projects, the whole point is to study and preserve the nuance of what occured in former socialist projects for future socialism. Tankie is such a chronically online term that kills any discussion of former socialism whenever I see it in service of avoiding it altogether. 196 having it in its community banner screams of insecurity.
Terfs on the other hand have serious intitutional power and have actually shaped international politics in their rhetoric. A few weirdos on an online discussion webpage does not compare to an international counter revolutionary bloc of fascists who have already enacted harm. It's telling when there has already been an incident of terf-adjacent transphobia in this community than a "tankie infestation."