Well, when Phillochio interrupted Ruth when she was hosting Loose Women, there was a lot of press and internet chatter about Ruth looking annoyed.
Maybe if Holly is getting fed up with him things will start to change.
She's on equal pay. She has a husband with influence. She is seen as an asset to ITV. She's still young.
If she starts to make noises about moving on and if her reasons for wanting to move include being annoyed by her This Morning co-host then ITV might retire him off and give her a new co-host.
It could happen.