This may be found useful when the amplifier is on the floor and you want to wait on him from above. But you can find also impractical because all connection cables are also inserted from the top and then inevitably bend toward the ground thanks to the force of gravity by 180 degrees. In good instrument cables no problem. But in these dainty USB can Käbelchen the kink before crackle, and then it's out with USB between amplifier and PC. This angled plug the problem can be solved in the long run simply and quite safe.