Wanting to be pirate king is akin to someone wanting to become astronaut/president/richest man in the real world/. Nobody would consider it weird. It's called having ambition.
But start pretending you're idk, Nelson Mandela, speak as if you are him, call his family members like they're your family everybody will consider you mentally ill. Chances you even end up being put in a mental institution
Yamato might get development and stop the live role playing, but this comparison is peak idiocy.