Your position is basically "I think platforms should be compelled to host every bit of nonsense emitted by every user." The freedom is provided by the multitude of choices!
I think the idea you can make rules for speech that are impartial and universally accepted is an insane idea which shows no signs of being tractable [1]. Despite attempts to quantify speech, every moderation decision is arbitrary at some level, and preserving choice of moderators seems much more important than arguing over rules.
[1] https://www.nytimes.com/2018/12/27/world/facebook-moderators...