Robert said he was leaving politics to spend more time with his family.
The Shadow Assistant Treasurer and Shadow Minister for Financial Services lamented how parliament has changed in his time in office.
“I do hope civility does eventually come to the theatre of politics. But I do fear division has well and truly entrenched itself in the current Parliament,” Robert said in his statement.
“A kinder, gentler Parliament it is not.”
He also attracted criticism for racking up a $38,000 bill for home internet charges, which was paid for by the taxpayers.
“I wish Peter Dutton all success as leader of our party and Leader of the Opposition,” Robert said.
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“He has my full support to take it up to the Labor Government and hold them to account, whilst at the same time giving Australians an alternative that acts in their best interests—not for popularity, not for social media, just a good decent custodian of government.”
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His statement touted the funding he had delivered for a variety of projects in his electorate on the Gold Coast.
He said the greatest honour of his time was serving as the Minister for Veteran Affairs.
He also cited his time as Minister for the National Disability Insurance Scheme and building Services Australia.
Behind the scenes he was known as one of Scott Morrison’s closest confidantes.