The presentation at AGU is: "The Biggest Control Knob: Carbon Dioxide in Earth's ..."<quoted text>
First, he's introduced as getting his Phd in medicine... not climate.
Then he starts off by saying that he isn't an atmospheric scientist.
So according to your warmist standards, his opinion means squat.
I do love tossing your standards of "science" right back in your face.
You are missing so much by not watching it; of course, that assumes a certain comprehension level, which is doubtful with you.