Certainly the electronics are "killing" the skills of the riders. To see races with racers with square balls I recommend watching T.T. Isle of Man. These guys went crazy. Something lighter is the SuperBike world championship with hardly any electronic aids and with stock derived bikes. Luckily in Europe I have been able to enjoy almost all specialties, but certainly, if we talk about spectacular, I have to say that the most impressive are the truck races on circuit and that now are very limited.