Factions with ID's restricting their use of capital ships in systems with a jump gate (Order, Core) are greatly affected by this change. Gunboats should be classed as their own class, to include explorers in their listing, such as the Corvo (My recommendation).
Edit: I suppose the wording on most ID's states "Cruisers and Battleships" so the impact is possibly lower than anticipated. It should be taken into account and thoroughly verified that this ideal does not inadvertently damage any faction's rights.