because unless they are remarkably stupid they didn't pay with their own credit card. That doesn't mean that the information is necessarily useless but I'd not

because unless they are remarkably stupid they didn't pay with their own credit card. That doesn't mean that the information is necessarily useless but I'd not expect them to kick a door down any time soon. (Moreover since cloudflare has a free tier you could use their service while handing over only a single email)