Earlier quoted context omitted.
> the refusal of many to close tabs in their browsers I have too many bookmarks, I'd never find anything in there. Keeping it open is the only way.
I was thinking more about people who use Tree Style Tabs and have nested Tab folders and such when I wrote that part. It's simple enough to save an entire session as a bookmark folder, to open an entire folder of bookmarks as new tabs (rather than needing to hibernate tabs to save ram while still keeping them "open"), and to search through bookmarks ad-hoc. Bookmark folders can be infinitely nested, categorized, orde…
The web went to shit a long time ago; you can't rely on being able to bookmark a site and then go back to where you were. Half the sites are infinite scroll, or dynamically generated pages, or SPAs[1], or some other ephemeral invention du jour. Keeping a tab open gives you some chance to return to where you were for some time; bookmarks are just giving up.
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[0] - At least until the browser decides to screw with you and unloads the tabs you needed. Firefox on Android is particularly aggressive at that, which incidentally makes PWAs unusable, too.
[1] - You're lucky when those let you make a bookmark that won't drop you back to index page when loaded.