Sure no one has "cracked" this issue but both managing and searching your own comments - where you even get thrown out of the YT ecosystem into some random Google pages, and managing channel comments is a hideous, dated and limited experience.
Pretty much anything outside of the core player feels like an afterthought, often fragmented in approach, dated in functionality and often feels like someone got it basically working then abandoned it - so it makes a hard sell for the kind of money they want for the full Premium.
but ostensibly it is being introduced in places which don't have free toilet paper in public toilets, etc. in the first place, though that itself is pretty deplorable.
