[dewey]

They tell you to switch off the device's broadcast functionality ("airplane mode"). Something they don't need for navigating with an iPad as it's just offline maps / apps).

[darkerside]

Besides, what if they did? You think you need to use your device just because the pilot is?

[dewey]

> You think you need to use your device [...]

No I don't, I just brought that up because OP was confused why the pilot can use their device while "normal" passengers can't.