Currently, TDM 4.11 does not provide segregation between admins (Named Users) vs Test Data on Demand (Concurrent) users. As of now, the test data on demand (concurrent users) is showing up named users as well, which should not be the case.
All supported releases of TDM Portal
This is working as designed. The Telemetry metrics are designed against the Product SKUs, to help us license the product.
Engineering cannot make this change, as it impacts licensing. Stop running Self-service tiles as admins, and the Telemetry reports will show you the usage by concurrent users.