https://blog.perimeterx.com/blocking-tor-a-case-for-more-accuracy/

There are certainly other ways of handling Tor traffic and measuring the real intention of a user.

Disclaimer: The guys at PerimeterX are friends of mine. I sent them the CloudFlare post (as well as the post from the Tor blog) because I know their methods are much better in detecting intention and not just blocking Tor IPs.

Eran