a) Being an a**hole is absolutely not necessary, especially if you are asking for an advice.
b) In regards to the chain you have, it’s been pointed to the issue of AMDs CPU – Ryzen or Core i7?
c) I didn’t get - does it or does it not work with McIntosh Radio and Tidal Streaming
d) Roon operates mainly on a local network powers, not internet connection. Danny Dulai pointed to it numerous times. You internet might work flawlessly, but your local might suck. Did you check Firewall? Did you try to connect Roon Core other way around? Did you check your Vodafone Router settings?
Many of us had issues like you do, I had with my Chord Hugo2Go and we all found a solution by fixing the network and adjusting it a bit.