There is a real need for an activate/deactivate groups button. Groups in general are a pain to work with and I think there is still a lot of work to make them better, but not having this basic option makes it so much harder when you need to do certain tasks, for example: replace a family in a group with another, select all elements and enter text in a parameter (say you have an instance parameter that varies by group, and 90 instances of the same group in separate buildings, and you need to change their 'Building' parameter, you actually have to Edit every single group in order to do that), even perform actions on elements in groups using Dynamo, and the list goes on.
Please support this idea.