Barcelona, Spain rising against vaccine passports
Screaming in the streets doesn't change elected leaders. They allow these displays as catharsis against real changes which they fear.
Plently. If Spain's laws are analogous to other EU governments, there are provisions for ousting the PM as well as mandating a referendum. Those things require organization and the same kind of dedication against official opposition Britain's "Leave" faction faced during Brexit. In essence, productive work that isn't accomplished by standing around and screaming.