When creating a Host Group for all Workstations in an environment, what is the best...

The best method to ensure all workstation hosts are added to the group is to create a Dynamic Group with Type=Workstation Assignment. A Dynamic Group is a group that automatically updates its membership based on certain criteria or filters. A Type=Workstation Assignment filter will match all hosts that have the workstation type assigned in their Active Directory domain. This way, any new or existing workstation hosts will be added to the group without manual intervention1.

References: 1: Falcon Administrator Learning Path | Infographic | CrowdStrike