The only one I’m uncomfortable with is #5. This implies there is always truth and a ‘right’ answer which can stymie debate. Facts evolve as understanding of the world evolves and deepens. Under #5 we would have banned Copernicus …
From understanding they all make use of the fediverse (or fedverse?) and can all be connected. I’m new to all this as well and it’s not quite clear to me either!