Insighting violence on another, or group, is not protected speech.
Why Microsoft Threatened to Ban Gab Over Hate Speech
"Microsoft gave the free speech social network 48 hours to "remove posts that advocate for ‘ritual death by torture’ and the ‘complete eradication’ of all Jews."
In a statement to BuzzFeed News, a Microsoft spokesperson confirmed the request, noting that the company received complains "about specific posts on Gab.ai that advocate ‘ritual death by torture’ and the ‘complete eradication’ of all Jews." According to Microsoft, the posts are incitements of violence that are both against Microsoft Azure's policies and not protected by the First Amendment.