There are three types of tab,

1: tabs I absolutely need to see again and know I never will if I bookmark them, because I never go into my bookmarks.

2: tabs that don't need to be bookmarked at all because I never need to see them again I just got distracted and didn't close them or thought I'd be interested in them later but then wasn't.

3: tabs pertaining to one of the seven projects I'm currently actively working on simultaneously.

Bookmarks solve nothing.