confused about "User" accounts , hi there!
1. Yes, 'master', or we call it root administrator is a unique entity that is an administrator and a user at the same time. This was made for simplicity for our smaller MSPs that don't need that complexity (and flexibility) and they're fine just with 1 user. And not to force them to create one, we have extended the root admin to users.
2. No. These are different types of entities, users are technical accounts for authenticating computers and administrators are for managing everything on the portal.
According to your example, they would need 2 accounts, user's and administrator's account.
3. That's correct.
4. Yes, it's NOT a best practice. There's always a seek for balance when you pick between convenience and security.
All the above is how it's implemented currently, I will talk to the team and provide your use case in order to discuss how to improve it.
Thank you!