It's a fair point. We could consider the less savory elements as "Defense against the Dark Arts" class.

However, unless you're a super-genius working on an universe-changing technology in your basement, you might well need to know how to use this stuff to get big things accomplished.

To each their own. I'm not here to preach ethics, but I'm assuming this crowd has enough of a moral compass not to turn into a pack of used car salesmen.