If your job relies on using some software for hours a day, you'll quickly learn whatever quirks it has. Making a design change means throwing out the brain equ

If your job relies on using some software for hours a day, you'll quickly learn whatever quirks it has. Making a design change means throwing out the brain equivalent of muscle memory for every one of your expert users. If you don't have a very, very good reason to do so, you're basically dropping them off in the wilderness and expecting they'll find their way back home on their own, with no familiar landmarks to guide their way.