When Mozilla got Pocket, they advertised it all over Firefox to increase adoption. Back then, I was like "but I already have a bookmark feature". Over all these years I have hidden the Pocket button away because for most people there's no strong incentive to switch from a normal bookmarking solution (and now, with only a hand full of websites in major use, even bookmarks have lost all meaning).

Good riddance?

+1, my only interaction with Pocket is annoyance that I had to remove it from my toolbar every time I've installed Firefox on a new computer. Good riddance.