This is a very broad claim. Here is a factual refutation: https://spacenews.com/nasa-certifies-falcon-9-for-highest-priority-science-missions/ https://spacenew

This is a very broad claim. Here is a factual refutation: https://spacenews.com/nasa-certifies-falcon-9-for-highest-priority-science-missions/ https://spacenews.com/nasa-certifies-falcon-9-for-highest-pr... From the article lead: >NASA has certified SpaceX’s Falcon 9 to launch the agency’s most important science missions, giving the agency new options that could result in lower costs. NASA sees reducing launch cost as a top scientific priority. The mission of Starship is to do the same.