Shortly before he left Fox News (one year before his contract expired) he criticized a statement made by Tucker Carlson and was admonished by the Fox brass. So it wasn't a surprise when he announced that he was leaving.

And the RW was harping on the convoy of immigrants coming from the southern Mexican border. Cant remember all he said but basically there’s no big scary mob massing on the US border, the convoy they kept talking about was on foot and they wouldn’t make it to the US border for a couple months. But, he said, you know what’s happening in a couple days? US elections, and all the rhetoric was just to scare voters. He said after the election you’d stop hearing about the convoy. And he was exactly correct.

on both sides.