I appreciate that, and it's a valid point it one considers all votes to fungible. However, the constitutional settlement of the UK clearly shows that devolved a

I appreciate that, and it's a valid point it one considers all votes to fungible. However, the constitutional settlement of the UK clearly shows that devolved administrations have some level of autonomy. There is no question as to the legitimacy of the vote, but it's certainly not the case that "one person, one vote" is the only way to evaluate constitutional referenda.