The Big Mac product is not actually burger, it's convenience and being packaged at a consistent, predictable level of quality. If you're hungry and have five mi

The Big Mac product is not actually burger, it's convenience and being packaged at a consistent, predictable level of quality. If you're hungry and have five minutes, they've got a burger for you. The Big Mac sauce is the McDonald's signature brand. It's not a competitor to their main product. It's not inherently convenient, it's just familiar, and could serve to reinforce the brand and promote sales of their core product.