Basically: The demos isn't prohibited from deciding something that conflicts with its own later will. There's a vaguely similar case in Germany at the moment,

Basically: The demos isn't prohibited from deciding something that conflicts with its own later will. There's a vaguely similar case in Germany at the moment, where a political party and its voters was in favour of a a rule to keep fringe parties out of parliament, and now that same party is in danger of falling below the threshold it helped set, even if it wins every seat for which it fields a candidate. The voters for that party wanted the threshold then, wanted it to apply to future elections including the upcoming election, and if their party is below the threshold in the upcoming election, their past will conflict with their present vote. Nothing compels the demos to have conflict-free preferences.