Phone (call, data) interception is mandated in a lot of countries (i.e. operators have to do it is presented with a judicial mandate) against the wishes of user too. This setting is in the same vein, in order to allow authority controlled public broadcasts.
Governments hijacking infrastructure is not remotely the same as governments hijacking personal devices.
You are at mercy of the whims of your local government. You don't like it? Then fight to join the local government.
They are not hijacking your personal device.
Your personal device is letting you know your carrier does not provide an option for this setting.
It’s a carrier setting, you are merely expressing a preference.