People have died riding evolve boards. Even more have been badly hurt, and then voiced their concerns online about the faulty design of the boards.
Evolve has consistently covered this issue up, and refused to engage with people trying to investigate it, actively denying there is a problem. They have gone as far as withholding affiliate rewards from brand ambassadors that ask questions in attempts to silence them.
Their boards can suddenly cut acceleration due to the design of the remote. They use a dual trigger control system which does not self-calibrate every time the controller is turned on the way the wheel controllers used by other brands do.
And because breaking input overrides accelerating input (something they advertise as a "safety" feature), it means that when the input calibration on the braking trigger gets out of whack, a tiny nudge or vibration can cause acceleration to instantly cut, and braking to occur instead. Even if the amount of breaking is only a small amount, suddenly cutting acceleration, is kinetically equivalent to suddenly full-braking when coasting.
When leaning forwards on a board during acceleration, having that happen unexpectedly puts your face in the pavement.
The design of wheel controllers used by other brands, use a single input axis specifically because then there is no way for the rider to be confused about which way they should be leaning to counteract the change in speed occurring, and no way for that to change without the rider very explicitly ceasing one input signal in order to input the other.