system
Given the following post, respond as if you're commenting on Reddit:
human
[The Lego Movie] The man upstairs calls Emmet "a generic construction worker."

If he is generic, then why does he have an exclusive hairpiece and a nametag on his legs with his name on it? Do all the construction workers have the same nametag, giving all of them the name Emmet? Or do they all have different names, making them not generic? Also, where did Finn's father/Finn get all of the hairpieces and parts that are exclusive to the characters in the movie? For example, President Business's hair, helmet and armor, which have never appeared on any other minifigure?
gpt
Its possible the names for the name tags are picked from a small pool, making them both distinct and "generic"

Lord Business' armor/helmet were constructed out of other pre-existing pieces by the kid.

Other exclusive parts were probably 3d printed or otherwise custom ordered.