[Hydraa]

Also realize that to use this unbalancing feature, you need to spend 2500 racial points + take a specific culture which gives you -% in combat, intel and research. So there is a cost associated with this. Also if the ship limit is working and is set to a low number it may not be as worthwhile to go free maintainence. However with the new limits on colonizable worlds it may increase the usefulness of having low maintainence.