Who gets to define what “toxic content” is? Is the Great Barrington Declaration toxic? How about studies that show masks might not work? How about public sourced data showing the IFR of Covid was nowhere near what “the experts” modeled early on?
The owners of the space can make those decisions, and the users can provide feedback, just like it happens now. There's no static status quo where everybody's happy, just like there's no static society.