Chips and Cheese covers Apple products in a LOT of their posts.

The real reason is probably because they are supported by patrons and can only get new equipment to review when people donate (either money or sometimes the hardware itself).

If you like what they do (as pretty much the last in-depth hardware reviewers), consider supporting them.

M4 and M5 are literally general purpose computing parts. Apple literally owns the most profitable general purpose computing platform with the iPhone.