Someone Sends our Student at Clueless U. an Answer

Someone in the UK took pity on our poor student and sent him or her an answer to his or her questions like 'What is meaning of ubiquitous.' But I don't think our coed is going to like the direction:

Have you stopped to consider why you have been [given] set homework? How doing the homework yourself might have an educational effect? How the mental exercise of thinking and reading strengthens the mind the way physical exercise strengthens the body?

Ouch, but true, yes?