While I agree with your point, I would only suggest ... compared to what? Let's say SpaceX cannot make Starship reusable. Will it really cost $4 Billion Dollars

While I agree with your point, I would only suggest ... compared to what? Let's say SpaceX cannot make Starship reusable. Will it really cost $4 Billion Dollars to create a Starship + Booster? Still cheaper than the SLS...