Well, of course SpaceX has the capability to turn their satellites on or off.I dealt with Globalstar 25 years ago when it was first launching its satellite communications network. They at least have a more sustainable approach: Starlink satellites are designed to degrade quickly, which means they're not only contributing to the number of near Earth satellites in orbit (Kessler Effect), but also space trash that ultimately has no capability of being recovered/recycled. And, as we learned in Ukraine, Musk himself can turn Starlink on/off at a whim.