Another way to view this would be, "Cloudflare ends support for mass shooting early warning system."
Seems like Cloudflare CEO can't decide whether he wants to truly be content-neutral. https://arstechnica.com/tech-policy/2017/12/cloudflares-ceo-... Obviously not supporting these sites, but I think an argument can be made for at least being _consistent_ about whether or not you're going to allow only things you find morally reasonable on your service.
So far he has been a "free speech absolutist" aside from the Daily stormer (economic extremes) and 8chan (public safety extremes). They're just defining what their identity as a cloud provider is. There's nothing morally inconsistent about discovering where your limits and tolerance are.