Scam (lots of phishing and fake webshops), spam, piracy, illegal pornography, it's all chilling on CF's network en masse. When they get notified about this, do you think they terminate that client? No, they will just come up with some dogmatic story [1] and ignore every call to action/cooperation.
"we are rebuilding the Internet, and we don't believe that we or anyone else should have the right to tell people what content they can and cannot publish online."
Yes, ladies and gentleman, he said it. In 2012 Mr Prince was trying to build a proprietary internet. These days he would never say that again. I mean, it's just laughable that you feel zero responsibility over your clients. Hence they publicly deny this now of course.
CloudFlare: it would be great if you start actively participating in abuse prevention, instead of behaving like an offshore/bulletproof provider behind red 'n blue curtains.