It's because the tweet takes the article it quotes out of context. This is what leads up to the quoted part: > That study design, as well as those of other dru

It's because the tweet takes the article it quotes out of context. This is what leads up to the quoted part: > That study design, as well as those of other drug makers, came under fire from experts who worried that, even if it was statistically valid, these interim analyses would not provide enough data when a vaccine could be given to billions of people. Kind of an important passage to leave out, don't you think?