Aren't People from Outside the US Supposed to Be Good Spellers?

CSR: May I have your name, please?
Customer: It's “Kathy.”
CSR: Just to verify, that's “k” for Kansas, “a” for apple, “t” for Tom, “h” for Harry, and “y” for, ummm…uhh…Wyoming?
Customer: Correct.

Quezon City
Philippines