When Levin first came on the radio, he got a lot of hype, but I never got it. His whole "Get off the line, you big jerk!" was grating and repetitive. Listened to him a little, and what you say is true. He was full bore Trump derangement syndrome until Trump got the nomination.
Just about all of the big talk people, both left and right, are more about building their brands. They believe whatever will increase their profile.
That's why I'll listen to them, but don't develop a heart throb for anyone.
Everyone in the media (just about) is Winston Zeddemore.