I think there's a pretty clear distinction between ideas that are commonly seen as wrong-as-in-factually-incorrect that need to be protected for the sake of the

I think there's a pretty clear distinction between ideas that are commonly seen as wrong-as-in-factually-incorrect that need to be protected for the sake of the advancement of ideas, like the earth moving around the sun, and ideas that are commonly seen as wrong-as-in-harmful, like the idea that the parents of the Sandy Hook victims are paid actors and deserve harassment and stalking.