I can’t but think of https://xkcd.com/1172
Products are designed with a certain workflow in mind. Back when people would open a website at a time, nobody needed tabs. Now everyone uses tabs, but relatively no one needs to organize their tabs. It’s acceptable that browser don’t make their UI extra complex for a vocal minority.
I can't remember a time where I didn't open every link in a new window in the days prior to tabs. Back button navigation is chaos.
Browser vendors have dealt with that by adding a "tab expiration" setting, where tabs can be deleted after a certain amount of days. I think it's a fantastic idea, just like a self-emptying trash bin.
Unless your job is specifically to collect information, then you probably don't have time to comb through everything you find online. While it's easy to want to catalog everything, the sanest option is to default on our digital debts frequently.