they used biodegradable paint, because they anticipated comments on the internet like the one you have made, complete with an ad hominem attack. the boat didnt need to be repainted.
where would you like them to “plant trees” in the meaningful way you would prefer these “idiots” to do? In the acres of land they happen to own that they can reforest with native species, yes? Perhaps you should contact them to remind them about the land they own that they’ve forgotten about.
what they’re doing is getting headlines and drawing attention to how “billionaires should not exist”, which they’ve done. People are seeing this, people are thinking about it, people are talking about it, people are taking time to hot-take simple solutions to the climate emergency like “them idiot protesters should go plant some meaningful trees”