Yes, for every time a bug like this is discovered and reported, there are probably hundreds of times when someone else just gave up or found a work around after much frustration.

I'm frequently astonished by how terrible and buggy modern software can get away with being and still survive. Working around bugs to accomplish what I need to accomplish is so normal to me now that I sometimes don't even notice how terrible the software is until I see someone less technically skilled than me try to use it.

It's been noticed, but nobody with access to the website has been told or cares. The author is almost certainly the first person to do a root cause analysis and come up with the solution though.