Now, by "punished," he does not mean "indicted," as he clarifies. He means "publicly shamed" and "forced to apologize."
I normally wouldn't even agree with that... except I remember the left demanding "accountability" from pundits who made erroneous claims and false predictions about the Iraq War. And there was a lot of that in the media.
So: Should conspiracy theorists pushing a falsehood that undermines trust in the US democratic system be similarly required to come to a reckoning?
Answer: No. They control the message, and that means they control the questions that may be asked, and the criticisms that may be lodged.