I know why the thread gets boring and lengthy as senate's debate, some people just have too much time on hand just to instigate and well rest fall into it too. So both to be blamed. As for student's pre PR time, many come here with an intent to leave after their degrees and after years of torture, say in a PhD program, at minimum pay and working off campus, they feel integrated and feel why move to another country as it is tedious and emotionally draining. Let's stay here and becoming a citizen will open more doors. They let go of many plans and in the end get stuck in the middle of nowhere. If you are referring to immigration fraud by enrolling in blacklisted colleges, I agree, there should be a bar. Think economically, Canadian education is subsidised and advanced degree candidates in tech field get trained and leave for US and pay taxes there from day one. US benefits as no taxpayers dollars spent but taxes earned. So pretty much canada sows the seeds, raises the crop and others come and harvest it and take it when it is due, doesn't make any sense. Plus the tech deficit in canada is surplus, no production lines, no R&D, nothing.
The reason I replied here was that WhoCares, so why do you?