Unless you plug the device in, unlock it using your pin code/touch ID sensor, and say "yes, trust the computer I am connected to" these won't be accessible.
"Oh, and… there’s a bypass switch for pairing anyway"
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"An electronic alternative to interdiction could be deployed by spoofing Apple’s certificates and configuring / pairing the device out of the box."
"OR by penetrating a targeted organization, supervisor records can be used to pair with and access any device they’re supervising. "
> "Oh, and… there’s a bypass switch for pairing anyway"
Nice conjecture. Please show us actual evidence of that.