Of course, it isn’t physical. A river is physical. Anyway, I’ve lost the thread of what we’re ‘arguing’ about.
As to my original comment about the kludge of attaching an mR to the ethernet port of the Roon machine, reference this somewhat cagey reply -
If, in this referenced posting, you travel backwards, chronologically, you will see that the kludge I am talking about has been one of my personal axes to grind.