1 - she may have been law-abiding in PA, but she was a scofflaw, a common criminal, in NJ.
2 - she was not victimized. Except perhaps by her own stupidity. (That's right - stupidity. Not ignorance. Stupidity.)
3 - it is a shame that more folks are not aware of the issue of reciprocity, and even if they are that they do not check the fine print on reciprocity between their home state and where they are planning to wind up.
4 - other than hiring a cadre of instructors armed with 2x4s I have no idea of how to make what seems to be the vast majority of law-abiding gun owners aware of the concept of reciprocity and how it applies to anywhere they might go outside their home state.