"falls to the License Management Services team –.. and the optimization team. "
That is in the sense of "optimize" as in "Optimize the amount of money you're going to pay us."
I am also surprised "only" 70 get their license fees jacked up.
TBH a fair chunk of this s**t should be foreseen up front but they may have bought the DB decades ago.
Oracle sounds like a big ticket item that underlies a shedload of stuff at most of these councils. IOW finding ways to minimize what they can sting you for and uninstall unnecessary parts of it could pay off big time. It is therefor a strategic issue worthy of CTO level scrutiny.