No...he’s not predicting this. He’s repeating what the “experts” are telling him.
He should let the “experts” deliver the bad news... for the most part.
If the apocolypse does happen, then he was listening to the experts the whole time. If it does not happen, then the experts were wrong and he can now pivot to opening the economy. President Trump is insulated either way. The best thing is there is now a deadline, either Fauchi and Brix are right, or they are wrong.