I haven’t checked the laws in those jurisdictions, but having worked with a mobile radio network in the past, that doesn’t look entirely unreasonable. People don’t realise how much carnage a single rogue device (whether through failure or intentional hostile act) can cause and how hard it can be to track down the source of a rogue transmission. There is no physical barrier that prevents the normal laws of physics from applying to frequencies carrying control signalling and disrupting everyone else using them, so legal and technical barriers are all you have to try to maintain a working network for everyone as much as possible.

That is not my understanding as an American amateur radio operator. I can modify and posess any radio transmitter I wish. I can transmit within the limits of my FCC license(s.)

I admit my answer is cheating. Throwing in my ham radio license was not on topic.