Earlier quoted context omitted.
Can you explain how that is a slippery slope?
I'll make a principled stab at it. If you ban Holocaust deniers, then you're in the business of drawing lines, proclaiming what is truth. This is a powerful position and many will wish to use it for more than just the Holocaust. They will initially do so by presenting a variety of outrageous content which maybe should be banned, applying public pressure, and their initial targets will be reasonable. But the outrage i…
Taking steps against that are thus justified.