We shall use your suggestion for potential enhancements and new functionality. So, please be as detailed as you can.
For SimBrief feature requests, please see Feature Requests - Navigraph
Only one issue per thread so that others can easily see what has been reported.
Vatsim uses a system called VLARA in many countries which VSOAs which are authorised military organisations on Vatsim, can book and activate danger areas. Only showing danger areas which are booked/active through this system would be simple and reduce confusion.