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Elon Musk's Twitter Feud: Why He Calls NASA's Duffy 'Dangerously Stupid'

10/23/2025
Elon Musk is on a social media rampage against NASA's Sean Duffy, criticizing his leadership and throwing shade at his lumberjack past. With Artemis 3's future uncertain, the drama unfolds!
Elon Musk's Twitter Feud: Why He Calls NASA's Duffy 'Dangerously Stupid'
Elon Musk slams NASA's Sean Duffy on social media, questioning his competency and sparking a feud that raises concerns over the future of the Artemis 3 moon mission.

Elon Musk Critiques NASA Acting Administrator Sean Duffy

Elon Musk, the visionary founder and CEO of SpaceX, has publicly expressed his disapproval of NASA Acting Administrator Sean Duffy. Over the past few days, Musk has utilized social media to criticize Duffy, going as far as to label him "Sean Dummy" and later adjusting it to "Sean 'Dangerously Stupid' Dummy." Musk's pointed remarks suggest he believes Duffy's actions may jeopardize the future of NASA.

Musk's Poll on Duffy's Qualifications

The tension between Musk and Duffy escalated after Duffy announced that NASA would reopen competition for the Artemis 3 moon-landing contract, which was previously awarded to SpaceX in April 2021. Musk took to X (formerly Twitter) to pose a provocative question: “Should someone whose biggest claim to fame is climbing trees be running America's space program?” This comment referenced Duffy's past as a lumberjack, where he was active in timber sports and achieved two world speed-climbing titles by the age of 30.

Concerns Over Starship's Readiness

The backdrop of Musk's criticism is Duffy's concerns regarding the readiness of SpaceX's Starship for the Artemis 3 mission, which has a targeted launch date of 2028. During a recent appearance on CNBC's Squawk Box, Duffy stated, “I love SpaceX; it's an amazing company. The problem is, they're behind. They've pushed their timelines out, and we're in a race against China.” Duffy's comments imply that he is considering opening the contract to other competitors, like Blue Origin, to ensure that the U.S. maintains its leadership in space exploration.

Musk responded to Duffy's assertions by highlighting SpaceX's track record, stating that Blue Origin has yet to deliver a useful payload to Earth orbit. He confidently predicted that SpaceX would effectively handle the entire moon mission, asserting, “Mark my words: Starship will end up doing the whole moon mission.”

The Broader Implications of the NASA Leadership Battle

The conflict between Musk and Duffy appears to be rooted in more than just the Artemis 3 contract. Musk has been a longstanding supporter of billionaire and private astronaut Jared Isaacman for the position of NASA Administrator. Isaacman was previously nominated by President Trump but was ultimately withdrawn, allegedly due to his political donations and connections with Musk. This vacuum allowed Duffy to take over as acting administrator.

Recent reports suggest that Isaacman may once again be in contention for the NASA Administrator role. Meanwhile, Duffy is reportedly interested in consolidating NASA under the Department of Transportation, an initiative Musk has publicly condemned. He reacted to a post by AstroForge CEO Matt Gialich, which expressed concerns over this potential restructuring, responding with the 100 emoji to signify his agreement.

Musk's Call for Competence in NASA Leadership

In a recent post, Musk reiterated his belief that having a NASA Administrator without substantial knowledge of rockets and spacecraft undermines the credibility and safety of the American space program. The comparison to Isaacman is clear; he has demonstrated his capability by successfully funding and leading two private missions to Earth orbit using SpaceX technology. Yet, Musk has distanced himself from endorsing any particular candidate, stating, “At this point, I am not advocating any particular candidate for NASA Administrator. I am just desperate for someone with a three-digit IQ.”

What's Next for NASA and SpaceX?

The future remains uncertain for both Duffy and Isaacman. Will Trump reinstate Isaacman's nomination, or will Duffy successfully maintain his position as acting administrator? As this ongoing saga unfolds, Musk's vocal opposition to Duffy's leadership suggests that the clash between these influential figures in the space sector is far from over. Stay tuned, as the drama surrounding NASA's leadership and its implications for the future of American space exploration continues to develop.

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