I'm not an ardent defender of Cloudflare by any means, but there is no grounds to sue Cloudflare. Their service is up. Their IP ranges are getting blocked by residential ISPs. How would that be Cloudflare's fault?

>How would that be Cloudflare's fault?

Because the reason they are getting blocked is because of the actions Cloudflare is taking. If cloudflare would stop streaming these pirate broadcasts, the blocking would stop. These blocks are not just random.