Shove their LED where the sun don't shine Bill
TBH even with the canopy open am not sure the differences are so glaringly obvious that any sane person would be so critical.
The difference between the IIB and IIC is simply the wing type so afaik the controls are all the same.
Someone with a better knowledge will doubtless prove that wrong.
Any differences in switches, knobs and dials is going to be minimal and would mean messing about with the etch which is of itself not 100% accurate iirc
It is good enough, please don't misunderstand. The pipes and wires could be added if you wish