The "Top" users don't use the auto-discovery wizard blindly. They build custom device templates.
If you are looking to monitor "top" metrics (like top bandwidth users or CPU consumers), PRTG offers several built-in tools: prtg network monitor digiboy top
Alert Reduction and Tuning
Tired of wondering which "Digiboy" is hogging your bandwidth? Using the Toplists feature in PRTG , you can identify your network's , top connections, and most-used protocols in real-time. Why use Toplists? The "Top" users don't use the auto-discovery wizard blindly