Political commentator Matthew Hooten says it was inevitable that outgoing National MP Jonathan Coleman would go.
The remarks come after the former Health Minister resigned from politics and hung up on a Radio New Zealand host when questioned about his knowledge of mould in Auckland's Middlemore Hospital.
“Clearly the new leader of the National Party wanted this to happen," he told Mark Sainsbury. "And it has happened and [Simon Bridges] has full control of the party and he is clearing people out.”
“Quite clearly through [Mr Coleman's] career his real ambition, and you’d have to say almost his only ambition was to become leader of the party and Prime Minister."
There’s no evidence that he was passionately interested in Defence or Health.
Matthew Hooten says he has no doubt that Dr Coleman was pushed and that his resignation was on the cards weeks ago.
"There's no evidence that he was passionately interested in Defence or Health, killing people or saving lives," he added.
When Dr Coleman was interviewed by RNZ on Friday morning, he was being questioned about whether he knew about mould growing in the walls at Middlemore Hospital in south Auckland over the past few years.
Journalist Susie Ferguson said a former Counties Manukau DHB chair told her the mould growing in the walls was "common knowledge" in Wellington.
She asked how Dr Coleman didn't know when he was the Health Minister at the time, and he said he simply wasn't told.
Dr Coleman became frustrated and said he hadn't been informed that he'd be questioned about Middlemore Hospital.
Listen to the full interview with Matthew Hooten above.
Some of the content in this article appeared earlier on Newshub.