What did you think of my point: 'They' could already turn off the internet. So why bother with the effort to make a killswitch? Because the resources it'd take

What did you think of my point: 'They' could already turn off the internet. So why bother with the effort to make a killswitch? Because the resources it'd take to kill the internet manually matter. I think of that in terms of 1) simple manpower, 2) cooperation, and 3) perception.