Can not removed dimmed device from iTunes
According to apple support a device listed in iTunes which is dimmed can not be removed unless it is done so on that device itself. In Apples own words, they state "If you can't click Remove (the button is dimmed), the device that you're trying to remove has connected to your Apple ID within the past 30 days. Sign out of the iTunes Store on that device, then try again to remove it".
This can pose a big problem in the case of split families. Let's suppose that a family uses multiple Apple devices, and multiple users share an iTunes account. If there were to be a situation where the family separated, and is now 2 individual groups of users, removing a now unauthorized party from your iTunes account can be an issue, unless the other party complies with your request to disconnect from the, once shared, iTunes account.
Is there any way where an uncooperative party can be detached from an iTunes account?
MacBook Air, macOS High Sierra (10.13.5)