Turnbull, of the conservative Liberal Party, railed against Murdoch for empowering former President Donald Trump and radicalizing his supporters into storming the U.S. Capitol — and opened up about how Murdoch, who also runs right-wing outlets in his country, worked to remove him from power.
"Once he saw that Trump could win, he thought, 'I can have a guy in the White House that will take my calls and suck up to me and flatter me,'" added Turnbull.
Yes, it is ideology, I think his son is more generally ideological and right wing than Rupert.
https://www.rawstory.com/malcolm-turnbull-murdoch/