The reason given [0] is that "A lengthy history of inaccuracies and incompetence by Erika McEntarfer, the former Biden-appointed Commissioner of the Bureau of Labor Statistics, has completely eroded public trust in the government agency charged with disseminating key data used by policymakers and businesses to make consequential decisions. Under McEntarfer, the Bureau of Labor Statistics (BLS) consistently published overly optimistic jobs numbers — only for those numbers to be quietly revised later."
Which is certainly a political reason and easy to disagree with. But it is reasonable and factually defensible. Her Bureau has been publishing optimistic estimates.
[0] https://www.whitehouse.gov/articles/2025/08/bls-has-lengthy-...