Would people want this? Imagine waking up to a world where 200 years has passed, everyone you knew is dead, everything you knew is history.

Without even needing to engage with your argument it falls apart because nations can leave the EU at will. Without getting into the Brexit weeds its proof, we did it. Can't be a tyrant if people can just say no.

But the EU also doesn't have the same level of power as the US federal government. It's a loosely federated coalition of seperate nations, not one entity.

Right but thats just the system working as intended? Gay marriage would still be illegal if unpopular ideas couldn't be reraised. Democracy is a balance, unfortunately you have to put up with fighting against the shit ideas as well as for the good ones.