Here are some things to consider:
* Reality TV is edited: "Pawn Stars" is a heavily edited show, designed to be entertaining. Scenes might be chosen to highlight certain personalities and create specific narratives.
* Chumlee's role: Chumlee's character is often played for laughs. He is portrayed as the goofy and sometimes clueless one, which can create the impression of him being ignorant.
* He has a role in the business: While his expertise may not be in history or antiques, Chumlee is part of the Pawn Stars team. He has a role in the business and likely has a good understanding of its operations.
Overall: It's not fair to assume Chumlee is truly "ignorant" based solely on his portrayal in "Pawn Stars." He may have areas of expertise that aren't shown on the show, and his personality might be exaggerated for entertainment purposes.