Some may be going into debt but it seems it isn't hurting vacation travel, Business travel never recovered from work from home policies yet traffic increased in 2024.
"December 2024 saw a strong increase in demand, with overall demand rising 8.6% year-on-year." -
https://www.iata.org/en/pressroom/2025-releases/2025-01-30-01/#:~:text=Domestic full-year traffic for,and domestic demand by 5.5%.
Premium demand is increasing and so airlines are retrofitting and/or ordering planes with more business class and premium economy seating. These are leisure fliers driving this demand.
https://www.businessinsider.com/airline-recovery-premium-seats-american-delta-united-2024-10
In summary (and as I also illustrated up-thread) the original OP of this thread might as well be Bozo the 🤡.