This is so true. It still shocks me and I don’t know why. The most frustrating version for me is when the original author of a solution didn’t care all that much and would admit it was a hack but they’re no longer around - and their successor thinks that what they’ve inherited is some sort of sacred object built on infinite and unknowable wisdom. So this obvious design flaw must actually be a carefully designed feature that were simply not capable of understanding. Maddening.