If so, why don't they make an exact clone of the Apple one at $6 cost and sell it at $15, or even $10? The identical thing but at much better price. Win-win.
Because nobody will buy them because there is no way you can convey the fact that being an exact clone gives more "quality" than being a cheap knockoff. It's already a hard sell a $300 android phone from a $100 android phone, though you would say there is infinitely more differences between the two, compared to two usb-ethernet adapters.
Some people will buy Apple just because it's Apple and they want "original" stuff; others will buy Apple because they read these articles and know that the parts are high quality; others will buy the cheapest one they can find among amazon, ebay, monoprice and korean websites (probably laughing at those who buy Apple parts).
I don't think there's an easy market for "non-Apple and midprice".
I'm in this business. It's really tough to market based on quality without having a big name, but it's always easy to market based on price. So a few companies offer quality parts at high prices while hundreds of smaller companies fight it out for the low price.
That, unfortunately, probably wouldn't work well. It'd be hard to convey that it's better enough to justify the price difference to the buyer. Also, if you're doing that, why not just price at $10, _claim_ to be better quality, but clone the clone instead of the Apple one? The average consumer has no way to check, and good luck getting a refund on this sort of thing.
If you look at the vendors on AliBaba/AliExpress (where the prices are usually too good to be true anyway), the AX88772ALF chip alone goes for between $4 and $14 USD with a median of $8.
