I don’t know of any official statement on this, but one would expect the signal path view to change depending on that switch being turned on or off. However, when playing back with Airlens, that signal path remains unchanged regardless of that switch position.
MQA playback to MKII over USB (No airlens):
MQA playback to Airlens via ethernet roon toggle off:
MQA playback to Airlens via ethernet roon toggle on:
