@Steffan I found a use for it in
Count of "a"s and "b"s must be equal. It can work around the fact that the
g
Minimum will crash if its argument is a scalar number. Of course this is only useful in cases when it's known all numbers fed to it will only have 1 digit each. And this certainly isn't a reason to keep
↓
and
↑
– the better fix would just be to make
g
and
G
act as a no-op on scalar numbers instead of crashing.