The dumbing down of our culture and its citizenry has achieved a momentum that seems inexorable and may prove irreversible. But some it happens deliberately, by choice. For example, the newly appointed editor at the website BuzzFeed, Isaac Fitzgerald, has actually banned negative book reviews. He expects contributors to “follow what he calls the ‘Bambi Rule’: ‘If you can’t say something nice, don’t say nothing at all.'” […]