I understand your slippery slope argument and can agree on some level, however the law often does litigate on these grey areas based on intent. The intent of t

I understand your slippery slope argument and can agree on some level, however the law often does litigate on these grey areas based on intent. The intent of the attacker in this case was extremely evident- the page served at that domain clearly used cloudflare’s trademarked logo in an attempt to fool the user into thinking this was an official cloudflare page. The intent to deceive is clear. In your case, I would imagine your page would avoid making itself appear as official cloudflare marketing material. In fact, I would imagine you would take pains not to be confused with the official cloudflare site. So it would be pretty clear the intent is not to deceive and you would have a very good leg to stand on if they tried to take down your domain.