Some product categories seem to have the middle of the market (quality wise) hollow out and disappear, so all you've got left is the low-end crap and high-end pricy versions, with no middle-range left.

One example: try to buy a nice metal or leather band for an Apple Watch. There's the low-end ones, which are 4$ on alibaba re-sold on Amazon for 12$. There's the X00$ Apple-made first party ones, and that's it. Nobody's making a really nice ~45$ leather band without the Apple name (that's obviously not just the cheap alibaba ones with a better marketing site).