I work in an old school bank. Can confirm. You're lucky if people even know what the data they themselves use actually means. Usually there's all sorts of edge

I work in an old school bank. Can confirm. You're lucky if people even know what the data they themselves use actually means. Usually there's all sorts of edge cases that make them go "ohh no, it can't do that, that would make it completely wrong", but it does do that and it is indeed wrong.