He shared your assessment that these venues are for escapism and audiences strongly resent having ugly reality unexpectantly slapping them in the face when they're trying to relax and have a nice respite away from it. That grandstanding wrestler was both unprofessionally self-important and disrespectful to his industry fellows dedicated to entertaining us.
"Shut Up and Sing" applies, in spirit, to all aspects of entertainment.
Excellent post. You said in one sentence what it took me an entire lengthy post to try to convey!
Alas, I do not have the gift of brevity!