1978, shortly after the dictatorship ended, a time in which Spain was still dominated by cronies from that very dictatorship, and who proceeded to dictate the Constitution.
So in 1978 Catalonia's vote mattered and you're claiming today it does not.
So in 1978 Catalonia's vote mattered and you're claiming today it does not.
Only all Spaniards can vote regarding the integrity and sovereignty of Spain.
If you think 1978's Constitution was approved under some form of oppression, fight that, there are clear ways to change the Constitution. But do not support any illegal activities that remove rights from the rest of the people in the country.
The root of the democracy is the respect to the law. Not "voting".