would you rather he lie, and claim to know things when he doesnt?
I'd rather he not claim that Delta is "5+" times less dangerous when he has absolutely nothing to support it. I can find plenty of stuff that debates whether Delta is more or less serious than other variants; what I see nowhere (except in fallout's febrile imagination) is even a suggestion that it's 5 times less dangerous.
Fallout is using an area of modest uncertainty as an excuse to make an outlandish claim.