My experience is that the smarter the device, the worse the UX. Smart UIs are laggy and less buttons/knobs usually means more fumbling in order to do anything.

My experience is that the smarter the device, the worse the UX. Smart UIs are laggy and less buttons/knobs usually means more fumbling in order to do anything. Also, touchscreens assume reasonably clean, dry and ungloved hands. This mixes poorly with kitchens.