If anyone LSO/LG have earned the "reputation" for destructive or disrupting stunts

I actually do think they're indirectly being financed by the oil industry (LSO head figures go around in private jets) to antagonize and create a bad (but not unrealistic) caricature of the climate protestors. And of course there's plenty of people willing to play the roles

Greta looks like the serious grownup compared to LSO