When I setup dashboard tiles - I don't see a clear way to determine what is a group and what is a device. While I can manually make a note in the names of a device created for a group, that as a solution isn't effective as it gets picked up by google home and alexa and confuses the environment.
I'm suggesting that all groups have an attribute or capability of 'group' so future dev work (such as tile apps) can sort and display based on this attribute without problem.