Great insight and strategic sense, all through - too many hits to tag. All should view this.
To the barricades!
OK, one tag: more #users . .
Who exactly are the users to be served by social.coop? Many producers, focused on producer-side stuff? Chloe Waratini wrote, Culture is what platforms & coops produce: culture for product/service users, & culture of producers for serving users. Perhaps users = producers? Maybe not