Thoughts on users being able to create Zoho accounts?

Thoughts on users being able to create Zoho accounts?

For anyone who's used Zoho for a while, I'm sure you've come up against an issue where you create an account for a user, and they go ahead and sign up for a new one accidentally. Then, only they can delete the account, as it exists outside the organisation.

It's frustrating how easy it is for a user to do this, but it's also kind of risky. If I know a company is using Zoho, I could create accounts in their user's names and block them from creating their own. 

Anyway, it's a concern of mine I wanted to share and see if anyone else thinks there ought to be a fix.