Seth MacFarlane, Fox’s most prolific animation creator, is suddenly ashamed to be working for the company that has paid him hundreds of millions of dollars over the past 20 years.

The tipping point for MacFarlane, executive producer of more than a half-dozen animation and live-action projects for Fox, was apparently a comment made by Fox News Channel commentator Tucker Carlson, who told the channel’s viewers to believe the opposite of everything they hear on other major news networks. MacFarlane described Carlson’s comment as “fringe shit,” and tweeted that “it’s business like this that makes me embarrassed to work for this company.”

His tweet has received over 10,000 retweets and 40,000 likes since he posted it on Saturday afternoon: