Yeah, right. So you can identify that student so you can more easily give him/her an "F"? And that 93% of students recomend your course? Give me a break! You can pull the wool over the eyes of 18 and 19 year olds lady, but you can sell your swill with those in the real world.
Absolutely. Grades get you into grad school and they know they have you where they want you.