Angelina
Well self confidence cannot gain economic advantages from a statal sanctioned union.
Succession, taxes, house property and all kinda stuff which are granted to a male husband and a female wife were a great conquer for those who lived homosexual relationship where the nation did not accepted them.
It s not a matter of "great, we feel represented by you" but a matter of needing or not that political fight.
Think back to when someone fought to get vote rights for women or to get a human work day of less than 14 hours.
For what concerns Fiume and D'Annunzio, I gladly suggest to check it out. The human embodiment of "right" managed to get all that we are struggling today to get with modern left on his constitution.
Drugs, homosexual marriages, free love, freedom of speech and cult, all women could vote, work and public healthcare, even compensations for judiciary mistakes.
... Well then came Mussolini who kept all the right part of that constitution as a guideline, leaving behind all the libertarian part and the classical right changed.