No, posting is not better political activism than talking to voters
Matt Yglesias is one of the more popular voices on the pro-Biden internet. That’s his framing, not mine; his newsletter “Slow Boring” is targeted to centrist Democrats interested in the nuances of how policy can address the country’s problems or at least people who like to think that they are. To use another metric to establish his bona fides, Yglesias is at the level of a commentator who gets profiled in The Washington Post.