Soooo.... how does all of this square with the rumored single pilot ops within the next decade?
Both an age increase and single pilot ops are future possibilities. However, I suspect that they're mutually exclusive. And I'd expect single pilot ops to win out over an age increase.

https://www.cnbc.com/2019/06/28/airb...lanes-cto.html

An FAA study got nixed on the last FAA reauthorization bill, but I'd expect it to continue to resurface:
https://www.aircargonews.net/technol...rization-bill/