So… they charge half the price Apple does, and if you don't want to pay it you don't have to care because it's a standard m.2 so you can swap it with a retail drive (at which point you have both the original and the replacement for 50% more storage at a lower price), which you can't do with a soldered Apple drive.
> Search for comps on any online retailer and you'll see how expensive and fast those are.
$250 for a 1TB 970 EVO Plus. Which has better write throughput.