Now, I'm not saying you're wrong, but having AI explain a complicated subject in simple terms can be one of the best ways to learn. Sometimes the professor is just that bad and you need a helping hand.
Agreed on the numbers, though. Just use WolframAlpha.
Not sure about the vodka vs beer analogy, but people have definitely quit smoking by switching to vaping. A hard addiction such as years of smoking needs to be slowly eased off, otherwise you're just asking for health issues and a fast relapse.