I don't know if they are still made but I used to use a dual gain gyro on my old ducted fan BVM T-33...The gain was mixed to the retract switch. When the gear was down I had it adjusted for more gain than with the gear up...A compromise for low speed and high speed situations. Perhaps the dual gain gyro could be mixed with the throttle....
that´s exactly what I done... I had set the low gain 20% above half throttle stick, and 45% gain from half throttle to idle. However with a jet this time I would prefer to use the landing gear switch to select the gain values, like you done.
About the point reduction for using them in a scale competition is a complicated subject IMO.. A full scale F-16 uses gyros, so points should be added for a model F-16 using them?
Anyway, gyros act as shock absorvers, they didn´t make the plane fly by itself. Like shock absorvers in a car, they could potentially make a safer model. However a lot of work in this area is needed to extract the full potential of them.
Enrique