I think it's the same here. People choose to listen to a show that does these stunts regularly. Sure, the presenters chose to make the call, but people have a voice, they have agency. It's their choice to listen, to appreciate and to enable it to continue, or to shut it down.
I do see your point, and to an extent I agree with it, but the media doesn't operate in isolation of society. They cater to it, feed off it, do what it wants.
Hence, chicken and egg