The only problem is the "Who are you to tell me I can't do what I want to do" attitude that is so prevalent these days. Everything has to be questioned and argued. It is as frustrating to listen to as the "We didn't crash, therefore it must be safe" argument. An argument that can only be described as naive and uninformed.
The avionics in aircraft you will fly in tomorrow, will not have been tested for interference from internal sources, and most likely not even for the frequencies used by most wireless equipment. If you choose to use such equipment onboard, you will in fact be conducting an unsupervised experiment.