"Everyone realised they weren't going to give credit where credit is due," Eliza told a local publication.
"I just feel it's a bit immature and they've kind of shot themselves in the foot."
Shayn and Carly were accused by the other contestants of strategic scoring, and not giving Pete and Courtney the correct score to reflect the room design.
Upon leaving the competition, the girls had nothing but good things to say of their time on the show.
“Just being able to give back is honestly the most rewarding thing ever. I know it’s a competition, but I wouldn’t change a thing,” Mikaela said.
Eliza added: “It is so sad to say goodbye, but I feel like we came here to give Mum a fresh start and we achieved that.”