It is probably the case, but with the level of the drivers here, 95% of them have enough power with 13.5 boosted. Sometimes we have to explain to the beginners that it is better to have a slower car which they can control than an uncontrolable rocket...
About the ESC setup it is just a habit in fact. Setup is pretty easy and we try to publish as setups as possible. Hobbywing is auto-mode is really nice by the way...