Upload bandwidth limitation of multiple users

Hello.

I knew there is the limitations that each user may not consume bandwidth more than 1TB per month.
So, I used 10 users and upload about 0.9TB by each user (about 9TB in total).
But as a result, I received an email that my account exceeds the bandwidth limitations set forth in the Fair Use Policy (Section 1, article a) and violates the Box Terms of Service.

I carefully read the Fair Use Policy again.
I can't precisely understand what does mean below:

>Additionally, customers with multiple account licenses may not use, on an aggregate basis, in excess of 1 TB per purchased user account license per month. This limit includes bandwidth consumed by a customer's users aggregately, by unauthorized service accounts, and by external applications.

Does It means anyone can use only 1TB per month even if purchase multiple accounts, such as 10 or 100 accounts? Or I made any mistake?

Thank you.

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