Repsol Honda's rider Dani Pedrosa has openly voiced his opinion on the winglets. The Spanish rider believes that the aerodynamic aid should be banned for safety reasons. Several other riders including Valentino Rossi and Cal Crutchlow have should their displeasure with winglets.
At the 2016 Circuit of the Americas GP, Dani Pedrosa had an accident with Andrea Dovizioso. Pedrosa claims that it was good that his winglets were small or else it could have injured Dovizioso significantly. For this very reason, several riders believe winglets should not be in MotoGP.
During the Argentinian GP, Andrea Iannone touched Marc Marquez's bike at turn one. The Ducati has huge winglets and that ripped Honda's rear camera off. Based on that several riders believe that the winglets could cause grave injury if two riders get tangled in an accident.
Federation Internationale de Motocyclisme has already declared that winglets will be banned immediately from Moto2. The Moto3 teams will phase out winglets by the end of the 2016 Championship. It will be interesting to see if the ban is introduced in MotoGP as well.
The Ducati bikes need the winglets so the wheels can be on the tarmac even with the extreme power delivery. Yamaha and Honda teams have also started using the winglets to achieve better aerodynamics. Do let us know your opinions on the winglets used on MotoGP bikes in the comment section.