This might help. Have you ever had someone scream at you over the phone? You hold the phone away from your ear and eventually sit the phone down, walk away, maybe do some dishes or fold some clothes. When you come back to the phone, you can still hear them screaming and yelling. So off you go to do another errand only to come back to hear this unhinged person still screaming. After a lengthy period, you finally hang up and block their number.
That’s what Trump supporters are doing. You hear the message because it resonates with your beliefs. Trump supporters have hung up the phone.