How does Heinz's Mayochup stack up against other mayo-ketchup sauces?

Controversies surrounding condiments tend to be about what we put them on, not what they are. If you're from Chicago, never ketchup on a hot dog. If you're from just about anywhere, never mayonnaise on a pastrami sandwich.
But for Mayochup - the new condiment from Heinz that made its American debut last month - there's no disagreement about what it goes well with: burgers and fries. What people can't agree on is who invented it. Was it the Argentines? The Puerto Ricans? The Utahans?
One thing we