https://www.houstonchronicle.com/news/houston-texas/houston/article/Lawsuit-over-Facebook-allowing-pimps-to-recruit-15231868.php

Facebook’s attempts to block a lawsuit connecting it to sex trafficking have failed.

It can be logically assumed that some of the victims are kids. The victims mentioned here were 13, 14, and 16 when it happened.

Note that Facebook actively censors content trying to expose pedophiles. Or censors people just for being conservative.