Facebook’s founder and CEO Mark Zuckerberg told a live audience on Thursday that the company promotes free speech and “brings people together.”

It’s not true.

First off, underlying Zuckerberg’s philosophy is the convenient assumption that there’s no such thing as truth. There are two (or more) sides to everything, so it’s a fool’s errand to try and police it, since you’d thereby risk taking sides.

This provides cover not only for laissez faire policies across the social media world, but also lets brand marketers shrug when challenged on the veracity…