It's a far cry short of say diarrhea or malnutrition in terms of actually horrible things that kill millions of people every year, but as human-caused catastrophes go mob justice is many orders of magnitude worse that "pedophilia being protected and normalized." Sure, I'll die on that hill.
"Oh but think of the children."
It's very important to protect rational deliberation, dispassionate pursuit of justice, and truth-seeking behavior in general. Do you disagree?