Beside, most academics can spot outright plagiarism at 50 paces, can't they, even if they can't positively prove it.

At one university in British Columbia, 47 students in one class were caught cheating on a paper. Because of the scale of the cheating, they aren't quite sure how to punish them. Amazing! Check out the news story at http://cbc.ca/cgi-bin/templates/view.cgi?category=Canada&story=/news/2002/01/07/sfu_plagiarism020107.