He doesn't just hate Trump supporters, he hates himself - because his demented mommy and daddy so reviled him from infancy.
Stern has worn blackface and used racist language; he used to refer to a young black couple, I forgot what he called the guy (it wasn’t pleasant) but he called the young woman “Dumberta”. He is in no position to lecture anyone.
He doesn't just hate Trump supporters, he hates himself - because his demented mommy and daddy so reviled him from infancy.