People assume that everyone who uses a Mac is running Photoshop or developing advanced AI but they're not. There are a lot of professionals using Apple products but they avoid the low end like the plague. Apple is a lifestyle brand these days and much of the user base has no demand for anything beyond the core Apple Apps.

The Macbook Core i3 is barely enough to run Safari or iTunes and Apple could probably replace the CPU without many of those users ever noticing.