You, sir, are completely out of touch with the userbase.
Posters from themed boards have no use for a random shitposting board and return to their themed boards as soon as they are able.
On the other hand no native /bant/ers will be leaving, as we are accustomed to being mistreated by moderation.
The only difference between now and the norm is your desperation to force the results you desire for non-reasons.