Witkoff has previously said things like that Putin is a "great guy", has declined to bring his own American translators and instead rely on the Kremlin's own officials, and was caught in a transcript giving the Kremlin advice on how to successfully lobby Trump.
He just convinced Trump to ignore Hegseth, Rubio, and Trump's own intel chiefs, to instead accept a "deal" with the Islamist terror state that Russia has been helping build nukes.