https://www.cnet.com/news/elon-musks-public-pot-smoking-days-are-over-nasa-chief-says/

"I will tell you that was not helpful, and that did not inspire confidence, and the leaders of these organizations need to take that as an example of what to do when you lead an organization that's going to launch American astronauts," Bridenstine told reporters Thursday at NASA's headquarters in Washington, DC.

Bridenstine went on to say that Musk "is as committed to safety as anybody, and he understands that that was not appropriate behavior, and you won't be seeing that again," according to an account of the meeting reported by The Atlantic.