I am afraid that they can ban rclone, is that possible?
I hope that no.
What Not To Build
Don’t build apps that support commercial use
Don’t build apps that harm customers or their data
Don’t build apps that make excessive requests to the API
Don’t build apps that infringe trademark, copyright or intellectual property
Don’t build apps that scrape content or allow customers to copy content from websites
Don’t build apps that promote illegal peer-to-peer file sharing
Don’t build apps that use business names and/or logos in a manner that can mislead, confuse or deceive customers (e.g., do not copy the look and feel of Amazon Drive branded apps)
Don’t build apps that confuse or mislead customers
Don’t build apps that impersonate or facilitate impersonation of others in a manner that can mislead, confuse or deceive customers
Applications that perform client-side encryption will prevent customers from viewing data in any other application, impacting the overall customer experience.