Explanation of why disabling Wake on on Pattern Match prevents systems from entering Modern Standby.
After disabling the Intel NUC's LAN setting "Wake on Pattern Match", the system does not enter Modern Standby.
Wake on Pattern Match is required by Microsoft in order to support Modern Standby: Overview of Modern Standby user experience for wake
To allow the system to enter Modern Standby, the system's LAN setting "Wake on Pattern Match" must be set to "Enabled".