I know how I can come across sometimes, but for years I've seen people knock themselves silly trying to gt ARC to work because it's "simpler" or eliminates a cable. Often it does work, but when it doesn't, I just really try to discourage people from going to (often) outrageous lengths to use a...
I tend to wish ARC had never been invented. Too much electronic voodoo. That kind of universal integration is problematic by nature.
I prefer to use the optical output instead.