The printing press was also used to print witch hunting books and caused 200 years of mass hysteria around witches and witch trials.

Before the printing press, only the clergy could "identity" witches but the printing press "democratized knowledge" of witch identification at larger scale.

The algorithmic version of "It ain’t what you don’t know that gets you into trouble. It’s what you know for sure that just ain’t so" is going to cause huge trouble in the short and medium term.