Earlier quoted context omitted.
What part you don't understand? I'll try again. All Spaniards have voice & vote about sovereignty, not just a bunch of Spaniards.
That is not clearer, at least to me. >All Spaniards have voice & vote about sovereignty, not just a bunch of Spaniards. This seems self-contradictory. Mis-typed? Or perhaps you mean it's up to all Spaniards, not just some Spaniards?
As a UK citizen, I would have preferred it if our recent referendum had been voted on by all members of the EU, rather than just British citizens.