I heard a good explanation along those lines, too.
Anyone who advertises with the Cowboys probably advertises on ESPN, too. Her boycott call thus threatened her employer’s revenue, hence the punishment for this ... but not for calling half of American white supremacists, since similar insults were lobbed by other sports personalities and mainstream media in general.
I have never watched espn but I do really get irritated by and tired of “commentators” anywhere mouthing off about political issues. I laugh at this loser.