This does feel like the future. I think there are some systems that will need to be put in place moving forward, but with any innovation it's hard to foresee what will come.
In terms of moderation, I think it would be good to do something along the lines of the "Orange Checkmark" in that users post sats to get "Verified" and through that mechanism allowing the community to enforce moderation.
So for instance, you need to post 100,000 Sats to get verified, and if you break the rules of the forum people can report you. If it is found that you did break the rules, you will be docked sats from your verification. The docked fee could then be split amongst the reporter and the platform in order to fund the moderation at the platform level and incentivize reporting at the user level.
This could be implemented for both the posts and the comments and would likely take care of the vast majority of spam.