> Yes, but what's the alternative? Having countries run on "expert opinion" lest people shift their preferences later?
Requiring super-majorities for large constitutional changes, like most countries do.
> When majorities shift they can always revert course in any case.
Often that is not true. E.g. it is extremely unlikely the UK can ever get the same deal it had if it wishes to rejoin the EU later. Even if it gets offered the same deal, it requires unanimous approval - every single member state can veto.
Requiring super-majorities for large constitutional changes, like most countries do.
> When majorities shift they can always revert course in any case.
Often that is not true. E.g. it is extremely unlikely the UK can ever get the same deal it had if it wishes to rejoin the EU later. Even if it gets offered the same deal, it requires unanimous approval - every single member state can veto.