I hate Barta just as much or more than you do, but I guarantee you, with 100% certainty, that he's never seen nor read one of your emails. Those addresses are monitored by athletic department staff and messages from anyone not in his personal contact list, especially mad fans, goes straight to the trash folder. Same thing with Ferentz, McCafferey, Brands, and on down the line. Hate to break it to you.
And yes, I do know that for a fact. A salesperson we hired two years ago interned and then worked in the AD before coming here; her desk is 10' from my office. Any message from you that makes its way to Barta had to be something that a staffer thought was important enough to flag for him to read. I showed her this thread and she literally giggled out loud. She said emails from upset fans going off the rails were ignored and "archived" (apparently nothing gets deleted for a period of time that she didn't know, for liability purposes?). She did say you might get through to Brands, Heller or other "less-major" sports coaches depending on the time of year or their schedules at the time. Any emails going completely bonkers with profanity, etc. usually get the addresses blocked. None of these are my words.
So you can probably stop being mad about Barta not responding because he never saw your emails. And really, do you actually envision Barta, or Ferentz, or any other P5 administrator or coach sitting at a desk answering emails from disgruntled fans? It just doesn't happen. They have way better shit to do.
You can still be mad about him being a shitty jellyfish AD, though.