Seth Godin: The candy diet

Even if only a few people use precise words, employ thoughtful reasoning and ask difficult questions, it still forces those around them to catch up. It's easy to imagine a slippery slope down, but there's also the cultural ratchet, a positive function in which people race to learn more and understand more so they can keep up with those around them.

http://sethgodin.typepad.com/seths_blog/2017/01/the-candy-diet.html