For me, it may be that the toilet paper roll needs to have the open end away from the wall. I don’t want to reach under the roll to take a piece! That’s ludicrous!
That or my recent addiction to correcting people when they use “less” when they should use “fewer”
This does exist in professional disciplines as jargon. I work in Orthopaedics and we do not say the “over here, inside part of my knee in the front. “. We say, “inferior, medial pole of the patella”