We've seen our fair share of cultural low points this year. We cringed as kids dared each other to eat laundry detergent Tristan Thompson cheated on Khloé Kardashian while she was in labor with his child, and Kanye West spewed a lot of nonsense . So yes, there were some missteps, and it's not fun to revisit them — but it's important we do, because those baffling, embarrassing, and downright insensitive controversies are destined to repeat themselves if we just brush them aside like yesterday's news.