So the best I think and to avoid too much problem - Limit the movement in the same group (temperature, voltages, etc ...) if too complicated to move to another group - Hide an item (temperature, voltage) with the right click - Rename a group To add a group and move items in this group, it seems complicated ?
After to avoid adding groups, just create the groups that are needed Watercooling group for pumps, flowmeter, etc ... For fans, there is already a group, the same for temperatures and voltages
Thanks