I just noticed when you create groups under groups.yaml the output/card is different. The groups.yaml displays all the entities and their states, where as the Group Helper does not.
It also allow you to action those entities ie vacuum Group.See other Examp[e
I like the Group.yaml card it displays over the Help group card.
I know I could go and redo all my groups, but it would be good if they both aligned on layout?
Helper Group for Total Pool Equipment Group
Group.yaml for Total Pool Equipment Group
Other Examples where groups.yaml is better