Interoperability sidesteps the issue by giving users the choice of which algorithm (or algorithm provider) to use. The majority might or might not agree with that approach - for example obviously tobacco has not been left purely to the individual's judgment in the west.

Agreed, you can't regulate speech in a targeted manner while also not doing so. You're forced to find some common aspect much more general than "rage bait". Perhaps prohibiting the targeting of certain metrics? Or even prohibiting their collection in the first place.