There is apparently a standard[2] for exposing operating system objects into a schema that can have a standard query.
I don't think I've ever seen any common monitoring projects built using WMI/WBEM at their core ...
[1]: https://docs.microsoft.com/en-us/windows/win32/wmisdk/about-...
[2]: https://stackoverflow.com/questions/921617/is-there-somethin...