Who is going to pay the money for there to be a reasonable return on that value? I don't have Starlink, I have no need for it, since there's a cable coming into where I live. Sure there's people that live in remote places that it's useful for. But that's not a lot of people.
There are military applications, but Musk is a flake not military wants to be dependent on him. Every country in the world is spending a lot of money to end their dependence on the US defense industrial complex, so there will be alternatives for military purposes.
Maybe it can work in vehicles? But if the price is too high people will just use 5G or just go without access for a while.
Starlink is just a product to fill in some edge cases. It will probably make a steady profit, but there will be competition from Europe and China before too long.