We need to create a single individual super-oppressor of whom everyone is a pathetic victim.
Since all victims are allowed to be exclusive, to discriminate, and so on, this will serve to instantly restore freedom of association for all.
This one horrible bogeyman is then to be forever denounced, hated, and denied all rights, but it’s a small price to pay.
In fact, let’s elect this monstrous creature and then blame it for all earthly ills. “You see, Timmy?” mothers would tell their children, “He is why you got sick.” This of course is a terrible burden for anyone to bear, so we’ll do it once every 4 years or so.
I think at least 20 prominent people have already by now demonstrated they’d take the job.