This solves only a 3rd of the problem—speech that listeners do not want to hear. There are two more
Speech with a negative externality. If somebody with a lot of followers starts advocating genocide, we might want to block it even if the followers want to hear it. But then the question becomes—how much negative externality, how much certainly in that externality existing, etc should speech have before we’d want to block it (this is the “COVID vaccine misinformation”, “voting misinformation” and other similar categories where clear boundaries are hard to draw, and where any decisions—whether to block, or not to block—would always be controversial).
Posts next to ads. The “real” customers of Twitter are advertisers, not users, and they have strong preferences of what kinds of posts they want to be or not to be next to their ads.
This solves only a 3rd of the problem—speech that listeners do not want to hear. There are two more
Speech with a negative externality. If somebody with a lot of followers starts advocating genocide, we might want to block it even if the followers want to hear it. But then the question becomes—how much negative externality, how much certainly in that externality existing, etc should speech have before we’d want to block it (this is the “COVID vaccine misinformation”, “voting misinformation” and other similar categories where clear boundaries are hard to draw, and where any decisions—whether to block, or not to block—would always be controversial).
Posts next to ads. The “real” customers of Twitter are advertisers, not users, and they have strong preferences of what kinds of posts they want to be or not to be next to their ads.