Sorry, are you asking why Cloudflare has a right to terminate a business relationship? The most immediate reason for that is of course that you grant them that

Sorry, are you asking why Cloudflare has a right to terminate a business relationship? The most immediate reason for that is of course that you grant them that right when you sign the customer agreement, the default one even containing: > Additionally, we may at our sole discretion terminate your user account or suspend or terminate your access to the Service at any time, with or without notice for any reason or no reason at all.