People love it.
Why don't we change where the clutch, the break and the acceleration pedals are from time to time on cars? Just for fun.
Why don't we switch riding right side and left side of the road? Every once in a while? Or the shape and colours of traffic lights?
Why do piano keyboards keep the same boring interface since decades (7 whites 5 black keys)?
Why do we have books with always the same size and boring indexes, table of matters and introductions?
Why don't we change VAT tax forms every months?
Oh I know, because changes are costly and not needed.