They can make as much noise as they like, but they are only ever preaching to the converted. If young people really want to make a difference then they would be far better of trying to be like Boylan Slat than Greta Thunberg.
It would be great if the world was full of people like Bolkan Slat, Ann Makosinski, Katie Stagliano, Ryan Hreljac etc.
But most of them(us) dont have the skill set, drive, people skills, intelligence and the likes to be able to do that. What they have realised is they have a voice and they are using it, civil disobedience is one of the most powerful weapons.
“It is not always the same thing to be a good man and a good citizen.”
Cheers Glen