I will agree that the guy was annoying, but if the UFC has another event in ILL they don’t have a choice, and should NEVER have a choice over who the refs are!
When fighting in the UK they have a choice because there is no governing body (like an athletic commission) for MMA there. But they do act accordingly, they hire an outside expert (usually a commission member or a former commission member) to handle the duties that a commission would normally do!
It is not that uncommon in combat sports to see a Dr. as the official. In all my readings of athletic commission rules I have found that referees are not that well paid for the most part, so a good part of them have outside jobs.
If a doctor is a fan of the sport and wants to be involved, why not be a referee. They obviously have the intelligence to understand rules, and not getting paid well doesn’t matter much to them, they already have money!
Dan The Ju