Could YouTube provide more structure and moderate by subcatgories? Say I say I'm an expert in chemistry and education - then I would be available to moderate c

Could YouTube provide more structure and moderate by subcatgories? Say I say I'm an expert in chemistry and education - then I would be available to moderate chem Ed videos. I'm not convinced this isn't an attempt by YT to claim they tried and it had unintended consequences they can't avoid.