Besides the communications issue, due to the shape of the protective magnetic field around the Earth, the people on the planes flying near the poles are also exposed to more radiation than usual.
Interesting point, I never thought of that.
"Stewardess, my G&T is glowing! That's brilliant, bring me another!" (Bad joke.)
Perhaps we're not accustomed to airlines showing concern with public safety issues that are beyond litigation. Still, as a guarded optimist, I would hope that this is true.