I myself considered implementing most of those. You are right that with vibe coding they are doable, the difficulty would be the business side. That is why I even titled my post "freestyle rant", I wouldn't dare saying "this is what should be done and how to do it"

I just have a general sense that ads, subscription, (reddit style) paid awards, shopping, affiliates, etc.... May hold the key to unlocking post-investor Hive monetization, ending the musical chairs game that HIVE buyers play. But then in practice how to do it? That is a business centric decision more than technical