You forget, they also clean-sheet designed the starliner starting in 2014 and that project... also happens to exactly prove your point. (at least 2B over budget

You forget, they also clean-sheet designed the starliner starting in 2014 and that project... also happens to exactly prove your point. (at least 2B over budget, and 8 years after it's original operational target of 2017, has yet to fly a fully successful mission)