Are JetBlue’s Even More Space seats even worth it anymore?

The other day, I was helping a friend book a JetBlue flight. He asked me to assign him an extra-legroom seat, and when I got to the seat selection screen, I was floored. JetBlue wanted a whopping $149 for an extra-legroom seat — an “Even More Space” seat, in JetBlue parlance — for a flight …
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