If the scientist is called upon to recommend a particular course of action for a government, and to announce his or her recommendation during a press conference, then the scientist, like it or not, has a big personal stake in getting his or her recommendation welcomed and accepted by the public.
Pfizer tweets memes while you give important information....
https://twitter.com/truerinfo/status/1458658323784343555?t=YxW3ZfPBEDf7jp4EDTPtiQ&s=19