It's my understanding that the letter sent last December from Ontario's minister was to point out the need for the federal government to protect prospective international students and reduce the backlog on visa wait times. It's our understanding that the backlog on visa wait times has led talented students to choose other countries over coming to Canada to pursue their education, and it can leave some of those wanting to come to Canada or Ontario particularly vulnerable to these bad actors.
On June 19th, 2023. See this statement in context.