The ‘whippy’ is an iconic part of the look of all Zeds…it’s like taking the BMW badge off the boot, bonnet and wings..
The fact that it has little functional contribution to radio performance is irrelevant.
A stubby goes along with c/f exhaust tips, side sill extensions, front splitters, over cambered wheels etc etc !-
In English parlance it’s ‘naff’…!-