Twitter CEO Jack Dorsey is facing criticism for promoting a fitness writer and podcaster who has spread fears about vaccines. Dorsey tweeted his endorsement of the podcaster, author Ben Greenfield, after appearing on his show, noting that he was grateful for all of the work Greenfield does to “simplify the mountain of research focused on increasing one’s healthspan.” A Twitter spokesperson alleged that Dorsey wasn’t aware of Greenfield’s views on vaccines.
Despite pushback, Dorsey has yet to respond. Twitter has been pointing reporters instead to a follow-up tweet from Greenfield in which he says, “I rarely visit the topic, and had no idea until I did how charged the issue was.” Greenfield now says he is “not against vaccinations” and...
