I don't have to buy a phone. Yes, the apps make the border easier for Covid, but don't be ridiculous. I can fallback to filling out a piece of paper. Furthermore, I can buy an [PinePhone, Librem 5, etc] phone and "fully control" that.
As for c) that's been part of life since the government got the right to tap your phone or telegraph.
Right now there are troubling signs for the direction of American democracy, but the courts have held up and life is still pretty good and, for some, getting better. I know mistakes happen and it isn't perfect, but we're no where close to being forced to own and carry a device.