BOOM!
Yours is the MOST concise summation of the problem, right there.
THAT is the link that needs to be made, and hammered home, again and again.
If someone thinks they are Napoléon, do employers have to give them a bossâs office, or build them a throne? If someone thinks they are Jesus, do we have to build them a church? When police find a dead body, do they just list the gender as unknown?
It is not good for civilization, or the mentally ill, to facilitate such fantasies.