Setting the Bar: Coach to 1st Class?

If you’ve traveled, you’ll walk by all the people in 1st class and wonder what they do for a living to be able to afford such luxury… but that doesn’t mean you can just sit there without a ticket.

Source: https://viewfromthewing.com/two-coach-passengers-refused-to-leave-first-class-on-american-airlines-in-miami-police-removed-them-in-cuffs/