I think its a fairly reasonable requirement if: 1) you advertise in bold/black letters that internet service is required every X days. No bait and switch. 2)

I think its a fairly reasonable requirement if: 1) you advertise in bold/black letters that internet service is required every X days. No bait and switch. 2) you are required to release an update disabling the call home feature if you plan to take down the activation server.