Going to be an administrative hell hole if the witnesses have to continually address submissions on a case by case basis.
There are some times that I see the Steem application of blockchain being a really poor fit for social media. I really worry for the likes of dSound and dTube if they go mainstream.
There's not much debate really, blockchain is absolutely a poor fit for social media. That doesn't mean it can't craft a valuable niche for itself, despite its flaws.
Perhaps the best solution is a hybrid of the centralized and blockchain systems.