You don't really have to be in those bubbles to know about it - there was a much publicized shooting in a pizza shop circa 2017, motivated by baseless fears about a pedophile ring - https://www.nytimes.com/2017/06/22/us/pizzagate-attack-sente...

Full stop, child trafficking is wrong. But then, so is baselessly accusing people of something as heinous as child trafficking.