some Remainer arguments were also of the British Exceptionalist kind. Specifically the whole idea of “We should stay in the EU and change it from the inside” also reeks of “we know best” and “the EU will change to accomodate us”.
To be fair, while it comes across as snotty arrogance, the idea of negotiating with the other member states to steer the Union in your favour is a power and responsibility of every member state.