If you didn't know by now, Mailloux was caught up in some legal issues when he secretly took intimate photos of a woman without her consent while playing pro hockey in Sweden when the COVID pandemic. He then shared the photos with some of his teammates at the time. In response, the OHL suspended Mailloux but reinstated him just four months later. He even withdrew himself from the 2021 draft, but the Canadiens took him in the first round anyways.