On the other hand, only if we plunge in will we learn to swim. The solutions will come when there is enough at stake to solve them, but right now since almost n

On the other hand, only if we plunge in will we learn to swim. The solutions will come when there is enough at stake to solve them, but right now since almost no one is using decentralisation/federation at scale on the consumer side, no one has the motivation to tackle the problems you have mentioned. Waiting for a perfect solution to arise before jumping in will ensure it will never happen.