Why do we always use the last names of famous people instead of the first name?

Why do we always use the last name os famous people instead of the first name?





Example: We say Disney World. When we could say Walt World.


Just wondering...

Why do we always use the last names of famous people instead of the first name?
Clara, its because last names are more important. My first name is about me, but my last name is about my whole family, those who came before me and those who will come after me.


Jim

schoolsmartial arts