What is your point? Suborbital tourist launchers are essentially irrelevant to efforts like Commercial Crew, SLS/Orion, and so on. They differ enormously in com

What is your point? Suborbital tourist launchers are essentially irrelevant to efforts like Commercial Crew, SLS/Orion, and so on. They differ enormously in complexity, cost, and addressable market. By a similar token, an article from 2004 may well have interesting things to say, but talking about the economics of human-rated launch systems in 2022 without the context of Commercial Crew is like trying to drive a car without knowing about the gas pedal. It's not controversial to say that manned space exploration is more expensive and complex than unmanned, but it also offers capabilities that unmanned currently can't match. Where I expect you will run into trouble is in trying to argue that those capabilities aren't worth the cost based on a view of the industry 20 years ago, and/or by extrapolating on deeply flawed analogues like Virgin Galactic while ignoring obvious, far more relevant counterexamples like Crew Dragon.