One of the purposes of government is to oversee the distribution of scarce resources in a way that avoids the tragedy of the commons.
This use case clearly applies to the EM spectrum allocation and clearly doesn't apply to the internet so I think comparing the internet and radio is a flawed analogy.
Not that it's the users' fault—it's that these platforms have structured themselves that way.
As for the concern about disinformation, ignore the content and watch the action. If some guy in the hills of Arkansas wants to think "them dems are lizard people" but doesn't show any signs of taking action, who cares (rhetorical)? If they show signs of action, follow the usual path of legal recourse/escalate to the proper authority.
Or even without AI tools. All this stuff is a complete non-issue on my extended-friend-group WhatsApps and my family text message threads. It was never a problem when I ran a private forum for people I knew, years and years ago. Mixing private communication with people you know with a global broadcast system seems to be what causes the problem to exist in the first place. Ordinary actual-humans-you-know communication channels don't need some 3rd-party censor, and for the most part don't even call for end-user-tunable censorship tools, beyond being able to leave & form groups or maybe set images to click/tap-to-view or something. Nothing sophisticated, certainly.
It turns out even 4channers largely don't want to see some categories of shitty things.
1. Users themselves have to see the stuff to filter it. This kind of work has burned out scores of classifiers. There's some really, really horrible stuff out there
2. The job will be left to people to make content filters. And those people would need to look at the stuff to filter it. And face legal consequence to doing so. And probably not get much compensation
Who or what group would fill #2? It would either be a group that sought to profit from it, or a group funded by governments, or a group that wanted to be at the node point for the spread of such material, or a group that wanted to influence society (e.g. for spam, or a foreign government seeking to mess with a society, etc)
It is hard to fathom the sheer volume of horrible content our filters deal with unless you've done any sort of moderation. And usually if you're doing moderation you're well downstream of the worst bits.
Besides, boards generally have just 150 threads running at once. If the majority of the live threads are just spammed crap, that makes everything worse. If there are 100 topics with lively discussion and 10 or so spam threads that haven't been culled yet, no problem. If there are 80 spam threads, then there's going to be a ton of churn as everyone competes for the other 70 threads. Each new one bumps another off the site. There'll be discussions started anew, with the same crap filling it up because people think they have to say it every time. This is what happens on fast-moving boards.
And one could ask "Why not change the number of live threads? Or never retire threads?" To which I'd respond, "If you have to keep recommending changes to fix what your other changes cause, maybe the original change wasn't good."
edit: actually, in the world where there's _zero_ moderation then you probably wouldn't even need the server farm since there wouldn't be any risk of being IP flagged.
If they allowed so much sexual assault material to continue to be shared on their platform they would inevitably run into trouble.
By what law? Because that law does violate the first amendment, and that can be addressed when it becomes an issue.
https://www.justice.gov/criminal-ceos/citizens-guide-us-fede...
Until they attack you with the law. You'll quickly find out that ignoring judges leads to bad outcomes.
Now, whatever they say could be total bullshit, and you could defend yourself and get paid damages, but not defending yourself at all is how you end up in deep debt or prison.