Yeah, but you have a choice for most of those things on a day-to-day basis. Whereas when you travel a schedule like this, your options for misery mitigation are severely limited.
I'm a HUGE fan of travel and getting out an experiencing the world. But this isn't that.
And he doesn't have a choice here? In everyday life you make a sacrifice to step away from that optimized, possibly terrible schedule. If DC really just cannot possibly stand to perform this schedule any more he can revert to just traveling normally and freely whenever he wants.
The only loss is the bragging rights to having visited every Jet Blue city in a month. His choice.
I'm a HUGE fan of travel and getting out an experiencing the world. But this isn't that.