"Some critics have claimed that the 9/11 Commission was not truly independent, as its members were chosen by Congress and the Bush administration, and that it suffered from conflicts of interest due to connections between some of its members and key figures in the administration. Meanwhile, Kean and Hamilton have claimed that the commission was hamstrung by the time and budgetary constraints it was under, and that its effectiveness was hampered by misinformation given by organizations like the Pentagon and the Federal Aviation Administration."
https://www.history.com/topics/21st-...mission-report