AS with the UNC version of such fans, they are living in a world of pre-WW2, or maybe just pre-interstate and easy air travel. Their thinking has nothing to do with how to have a truly successful revenue sports team in today's world. That is all about Home attendance and especially TV viewers. Literally nobody gives a chicken's shot about UVA vs some dinky school that UVA played quite often before WW2. Same reason that BC's top rival of all time, Holy Cross, harms BC.
At some point as SEC and BT keep pushing this, UVA may have to decide that it wants to go back to how it was before the ACC was founded: having dropped out ofd th4e SoCon, it was indeed and playing UNC and Dook and Wake all the time, but not playing Clemson or SoCar at all, or even Maryland annually, while loading up on William&Mary, Richmond, and VMI.
For me, the funny part of your response to my #4 is that back when Vandy beat UVA for the CWS, my bother, huge Vandy fan who was in Omaha, sad that the Vandy people next to him, having learned that I am a UNC grad and knowing of the UNC-UVA ties, asked my brother why UVA people tend to see Vandy as being almost on another continent.
Well, people far away from the western slopes of the Appalachians matter in TV viewing, and either the ACC gets more of it, or the ACC will die at some point.