A butcher in Argentina not only will always have meat on the table but they're always going to have cash in their pocket because I can't think of a country that would have a higher demand for the services of butcher lol.

There's also the kernel of a joke in there about how that Argentinian's highest priority is ensuring that their chosen profession will provision them with a steady supply of meat. Maybe an interview joke?

"Tell me why you would like to be employed here with us."

"Because it's very important to me that I have a continual supply of meat to my kitchen and being employed at your company will provide for this need."