Tooltips are the worst kind of information providers in a website. First of all you don't know they're there, you actively need to search with your mouse cursor

Tooltips are the worst kind of information providers in a website. First of all you don't know they're there, you actively need to search with your mouse cursor and wait to see something lights up. And then you can only read it, no way to copy/paste information out of it. Often they also cover up other information when they do popup, and most of the time the extra information they do provide is useless. Tooltips should be removed entirely instead of fixing 22 year old bugs.