The latest generations of gnss receivers have spoofing and jamming mitigation and detection features included with the chip, and multi-band rx technology to sync to more constellations simultaneously and do exactly what you're talking about. Before then, the spoofing/jamming detection would likely need a software implementation after the receiver. There are different types of spoofing/jamming, all of which are detected and mitigated in different ways.
I don't know the commercial aircraft industry standards for updating technology, but I wouldn't be surprised if most commercial aircraft don't have what you're talking about.
In no world is providing medical assistance to a victim accepting the exploiting behavior of the perpetrator.
Framing providing medical aid to a victim as "assisting the gunmen" to make a point is sick.
If you were a doctor in a warzone, and someone with a gun brought you their victim they just raped/abused, would you turn that patient away? What specific actions would you take in that moment?