nah, at least until yesterday, the video published of the backstage at the really, was clearly him and well healthy, first video he released yesterday, probably is a greenscreen he recorded, but the one of today, that's 99% a deepfake and not even one of the best, head muscles are to rigid, body doesn't almost move, while he tends usually to 'hug" the podium on a side, plus the colours, artifacts, and specially, the audio part, doesn't sound right at all, i do have quite some experience in both IT and audio productions, and let me tell you, by time it looks like samples just randomly enveloped / altered, and a word or two, the tone doesn't sound his one, My 2 Cents