To be honest, I’m not sure whether you would Darts,Snooker, or even Golf sports nor whether you call them athletes.
But to be honest, I don’t care.
They deserve massive respect, and if someone were to criticise them, I would just say “can you do a 9 dart 501, or a 147 Break or even a hole in one?
Whether it’s a sport or a pastime , these guys are professional and have worked exceptionally hard to get to where they got.