He's the opposite of data driven. Moderna did in fact include several studies together encompassing over 40 thousand patients over a diverse demographic group. In fact, they designed the study program only after the approval of the FDA was already given for it. It's a perfectly normal drug trial. This guy wanted his name in headlines and so he decided to just go ahead with 'vaccine bad' against the will of literally every expert the FDA employs to make these recommendations.

This guy got fired for a good reason - he's an idiot.