The moral principle is that the radio spectrum is a finite public good. If the government is going to ban everyone except you from transmitting radio signals between X frequency and Y frequency, they are going to have some demands to make sure that things they think should be available are available.
That sounds like such a bad law. What if I have no interest broadcasting Canadian content?
You get fined millions and then you get your broadcasting licence revoked.
Yes but by what moral principle?
The moral principle is that the radio spectrum is a finite public good. If the government is going to ban everyone except you from transmitting radio signals between X frequency and Y frequency, they are going to have some demands to make sure that things they think should be available are available.