It's called Starlink and they don't cost anywhere near 50 million each. Maybe each launch that has load on board costs 50 million. I don't think you have to worry about ol Elon. Unless you give him a bag of weed for safekeeping.
Now will the government use this system against you, oh hell yeah. They will see everything you look at, but they already do. That has nothing to do with Elon playing Space Ranger.