The channel's former chairman Andrew Neil was pressed about his GB News exit by panellists on the BBC show.
Veteran broadcaster says "draw your own conclusions" after being pressed on whether channel had become a "British Fox News".
Veteran broadcaster says he has made the decision after reflecting on "my extensive portfolio of interests".
Broadcaster and channel's chair has been largely absent since announcing a break two weeks into launch.
Just two weeks after GB News' ill-fated launch, it was announced Andrew would be taking an extended break from his nightly show.
In the last week, certain GB News shows apparently pulled in zero viewers, with reports claiming senior figures are leaving the station.
Ratings have dropped considerably since the divisive station debuted earlier this month.
He also took the opportunity to defend the station's "rocky start".
It's certainly been a memorable start for the UK's newest channel.
Kopparberg cider, furniture giant Ikea and energy provider Octopus have suspended their ads in the last few days.