[4] In 2017, while a member of the Liberal Party, Ruddick threatened to join the Cory Bernardi-led Australian Conservatives if the 'Warringah Motion' for plebiscites to determine preselections was not carried.

[9] Ruddick was the lead candidate on the LDP's Legislative Council ticket at the 2023 New South Wales state election.

[10] In late 2022, the Liberal Democrats NSW state executive voted to disendorse Ruddick as its lead MLC candidate for the NSW state election following allegations of bullying and harassment of campaign staff, allegations which Ruddick denied.

After a petition calling for a special general meeting over the matter was signed by over 25% of the party's 320 members, Ruddick was re-endorsed.

[11] The party received 3.53% of the primary vote in the upper house ballot, a swing of +1.3%, a quota of 0.7755.