As ceejayoz mentioned elsewhere, an actual Congressional representative fell for an Onion article titled "Planned Parenthood Opens $8 Billion Abortionplex" with margaritas and a water park. https://www.cbsnews.com/news/republican-congressman-falls-vi...

Yes, there are people--not many people, but some, on both sides of the political aisle--who will knee-jerk repost anything that sounds like it might make their opponents look bad. Most of the time, I hope, it's because they skimmed the headline and got emotional before reading the details or thinking critically. But it undeniably happens.