They said they didn't know when service would begin. Over 8 million reservations had been issued by the time they closed the list. Jimmy's daughter had one. So did Jimmy. Fiction is easy.
Reality is hard.
What's stopping it is the cost of getting from earth to space, which hasn't significantly declined since we started sending rockets there in the 1950's. What's amazing is that nobody has asked why. Look at this. The first row is the shuttle. Commercial launch companies currently building hardware like Beal and Rotary Rocket think they can get close to the third row, right off the bat.