Starlink has 10 MILLION customers. Thats just nothing.
All the investment in Fiber and mobile towers are long lasting investments.
Starlink NEEDS v3 to scale because they already have scaling issues. They need Starship, which doesn't work yet, to work to even send v3 up there.
And while Spacex has some first mover advantage, other companies start doing the same which will eat their margins. Makes it even more complicated to run all of it.
They have to do 300k orbit correction already last year, kessler syndrom can happen which will block access to space for all of us.
We don't even know yet how dangerous the poisoning of our atmosphere will be.