There is nothing priceless about any piece of art ever. Placing a living person's time and life below a simple image is the most egregious fetishism I have seen in a while.
I've seen the video. 10k in damage to the frame is absurd. If someone simply cleaned the soup within an hour or two of them throwing soup on it then it was as good as new. If they left it to soak in for 24 hours and damage the wood then that's negligence on the museum's part.
Shooting in the direction of someone in the full knowledge that your bullet will not possibly hit them is not attempted murder. It's.. actually not any crime.
Vincent Van Gogh only sold a single painting while he was alive. His paintings were considered worthless garbage at the time. Fine art is and always has been a way for the rich to launder money.
This is another example that makes me skeptical of any spectacular activism. The state is more than happy to severely punish people for the minutest of actions, all while having control over mass media, so you have to be careful that you aren't throwing your life away for zero impact. And at least in the US, it's spent the last few decades growing and perfecting the jail and prison system to the degree that it can absorb a large amount of social unrest without any trouble.
Very rarely is attention-seeking praxis capable of breaking into the spectacle a la Aaron Bushnell.
Radicalism needs to be socially reproducible to have revolutionary potential, needs to outcompete capitalism's social reproduction. We need to create revolutionaries faster than they get imprisoned, killed, burnt out, isolated.
Just like the West doesn't have real heroes, it can't have effective martyrs.