And that's an issue, they need to cause damage to wake people up. Revolutions don't happen by painting graffitis that are covered the next day, they happen through acts that put an end to the status quo. Had the Mona Lisa been ruined we would still talk about it today.

What's happening in the world now is much worse than what lead to the French or American Revolution, but people are more bothered by the fact that people used fake paint on Stonehenge than the fact that close to a thousand have died in Saudi Arabia JUST TODAY because of climate change.