JetBlue continues to punish first-class customers with open-back Grado headphones

Even with the great selection of noise-canceling headphones that are on the market today, JetBlue continues to offer something far less private to its first-class customers: a pair of open-backed Grado SR60e headphones, as the company proudly advertises on its website (as spotted by this Reddit thread). JetBlue has offered the Grado cans since introducing its Mint suites several years ago, and has apparently not yet been swayed to switch them out.
As everyone who has ever been on a plane knows,