The bar to use such invasive, buggy, user hostile spyware should be a lot higher. Just because this solves your problem (it clearly doesn't) doesn't mean it's

The bar to use such invasive, buggy, user hostile spyware should be a lot higher. Just because this solves your problem (it clearly doesn't) doesn't mean it's a good idea. Killing half the students also solves your problem. You need to live in a world where this is not an option, period. What's the next solution then? People forget there are always more manual solutions even if they take more time...