Reason you might use a touchscreen over a hardware mixer: the touchscreen allows you to instantly reconfigure your input. This does not allow that. Reason you

Reason you might use a touchscreen over a hardware mixer: the touchscreen allows you to instantly reconfigure your input. This does not allow that. Reason you might use a hardware mixer instead of a touchscreen: you want to be able to use the device without looking at it. This does not allow that. "Hey I know, let's innovate by mashing together the shit attributes of two different things!"