Something particularly ironic is that much of the EU's undemocratic nature comes from features designed specifically to prevent the EU from subsuming its member states. The best path to making Europe democratic again... would be a federal EU, with all the protections for individual member states stripped out, because member states are not a protected class.

The Euroskeptics want to go about this backwards. They correctly see the anti-democratic nature of the current EU structure and conclude that this is the only way European integration could happen, ergo we should not integrate Europe. The problem with this is that, even as 27 individual sovereigns, the former EU member states would still need to form agreements with one another and with other countries. Except this negotiation process is completely outside the democratic process even more than the EU currently is.

The underlying problem is that democracies do not stack or sum. Two democracies negotiating with one another become a dictatorship of whoever is doing the negotiating. The only way to preserve democracy is to give the people of both countries equal control over the matters assigned to the whole. The people must rule as one or they cease to rule at all.

I can entertain that this idea could be a solution IF done well, but what would be the path to democratic decision-making in this integrated EU? I strongly believe in people organising against the government, I think this is what can lead to change, or at least maintain the fighting spirit going.

The EU is handicapped by its very diversity on this. Imagine the situation where the EU is integrated, and the government wants to pass Chat Control 2.0, or some equally unsavoury measure. Imagine that some people or orgs manage to whip up the people of the Netherlands into protesting in the streets against it: it's extremely unlikely that Poles or Spaniards would be able to build a protest movement on top of that, if they were even aware of it, because of language and national sentiment ("it's just some people over there being angry about whatever, and mainstream media says there's nothing to see there, or that they're evil terrorists, and I don't understand their funny language enough to check").

There are some promising moves towards a EU-wide party in Mera25 for example (if I understand it correctly), but it's ultimately a party for English-speaking, basically well-off, educated, currently left-leaning, young people, which is nothing that one can build a deep movement on.