Yesterday, Laura Loomer handcuffed herself to the door of Twitter’s New York headquarters while donning a Star of David in protest of the company’s permanent ban of her account. For a woman who has campaigned for and cavorted with white supremacists, it’s rather remarkable that yesterday’s spectacle may have been her most cringe-inducing moment yet.

But between Loomer’s sad show and the recent, unexplained but brief Twitter ban placed on conservative commentator Jesse Kelly’s account, Twitter faces an existential crisis: Is it a platform or is it a publisher?