A growing list of tech companies, including GoDaddy and PayPal, have turned their backs on Gab after one of the social media network’s users was arrested in connection with the Oct. 27 mass shooting at a Pittsburgh synagogue that left 11 worshipers dead.

But should those companies have acted sooner? Should they have acted at all? And should social media sites and other businesses be held legally liable for playing a role in atrocities in the same way that some want to make gun-makers answer for mass shootings?