Man if he said something personal about him, I could get it. But getting your song called trash is to be expected. In fact, he'd do better calling in to the podcast or doing a live with him to ask him what he can do better since Joe's public opinion means so much to him.
Whining never helps your point, especially in 2019 when music is direct-to-consumer. If people like the song they'll stream it, point blank.
Deion, Charles, Shaq and them call people trash all the time when they have a bad performance. Play better and they can't have any validity if they keep calling you trash.