He should just go away and live off the obscene amount of money he’s already made, and will continue to make from his child actor days.
I don’t see him being commercially viable in his adult life, unless it’s in a gay propaganda piece targeted to said community.
Actually he’s been pretty deliberate in his post Potter world, he seems to really like oddball movies with no audience appeal. HP paid him enough to never have to work again, he’s definitely choosing this stuff. I won’t watch any of it, but I do think it’s pretty cool he’s opted for he odd path.