They're good at stopping DDOS but they've never been the best at it. What Cloudflare has always done best is making SSL and DNSSEC as frictionless and pain free as possible. If TrustCor was trustworthy enough to be allowed to operate a root certificate authority out of a UPS Store at a strip mall in Toronto, then why not Cloudflare? The thing we've always wanted for the Internet is DNSSEC https://youtu.be/b9j-sfP9GUU which the major players like Google have stubbornly sought to avoid. Ideally Cloudflare would help enough websites adopt it that it'll become more practical for the rest of us to use.