That’s a really insightful point, Bob. Assuming people flying business or first have been better financially prepared for a pandemic and an economic turndown, then we might also conclude they would carry less stress than coach. People also process alcohol differently when stressed — so there are several possible mitigating factors.
Maybe now the quote from Jerry Maguire is 100% true, “First class is what’s wrong. It used to be a better meal. Now it’s a better life.” Less stress, better life, free booze, put on your noise-cancelling headphones, and enjoy your flight as the world burns down. Maybe.