Ultimately, rules come from the people in a democracy.
If they decide they want a candidate who broke the rules, that's where it gets messy in political philosophy.
Should the democratic will of the people from years ago or decades ago override the democratic will of the people now? Of course that's the general idea of having constitutions and such, but it can only ever be a matter of degree, and there's no right answer as to how much.
Ultimately, rules come from the people in a democracy.
If they decide they want a candidate who broke the rules, that's where it gets messy in political philosophy.
Should the democratic will of the people from years ago or decades ago override the democratic will of the people now? Of course that's the general idea of having constitutions and such, but it can only ever be a matter of degree, and there's no right answer as to how much.