Electronic shifting provides a reduction in the interruption of motive power, so it is not 100% clear cut. The sport governing bodies that be probably had to chew on this from various angles before making a decision.
Fast shifting that doesn't interrupt the flow of power is a big deal. That's why Formula 1 cars do not use "H pattern" stick shifts.
Fast shifting that doesn't interrupt the flow of power is a big deal. That's why Formula 1 cars do not use "H pattern" stick shifts.