Who said they were Protestants?
Christians have many denominations.
To imply the “young believers” who camped out overnight in order to “vote against the Pope” were Catholic, or even Christian, is just a little to “cute” .
I am not a member of any organized religious sect.
Protesting anyone or everyone who does not agree with your particular unbelief is pointless, and counterproductive, in the western world.
Pick a sect, or choose none, in the Free world.
Only Islam will murder you for your unbelief.