The Looking for Alibrandi star also said that the negative comments from fans of the show were a "real eye opener".
Pia's Instagram was page has been flooded with brutal comments after the elimination of fan favourite Luke Toki.
"You'll live with this decision forever," was one comment. "Worst TV moment ever."
Another called Pia "the most hated woman in Australia."
Although many fans were livid at Pia's actions, Luke himself didn't hold a grudge.
The father-of-three took to Instagram this month, urging viewers to take it easy on Pia.
"It's just a game," he said in a video.
"Pia's probably copping a lot of flack online, and just remember that she made that move for herself and her goals."
He continued: "That's exactly what I would've done... Just be a little nicer to her and remember that all those other guys have played this game just as hard as I have."
Pia eventually won the Sole Survivor crown and $500,000.
Luke's fans didn't want him to go away with nothing, and created a GoFundMe account for the star, raising over $550,000.
During an appearance on The Project, Luke thanked fans for the overwhelming donations.
“It's extremely humbling,” he said, adding, “Much love to everyone that's donated.”