It's hard to say why the other applications don't have sorting, but I think it's a stretch to think there is some design genius behind it. It could be for pret

It's hard to say why the other applications don't have sorting, but I think it's a stretch to think there is some design genius behind it. It could be for pretty mundane reasons. I agree you don't have to reimplement spreadsheet features, but make sure you have a CSV dump if you think your users would appreciate that.