It’s a double edged sword. Their economies of scale are insane. But when shit goes wrong, it’s really bad.
A significant part of my business is sourcing lots and lots of computers. We’re assholes to our suppliers, and I can say that generally the parts that are the most reliable are devices that straddle the business and consumer space. Volume drives success, at a threshold price.
iPhones and Samsung Galaxies are almost problem free. Desktops are generally problem free until ~30 months. Laptops have higher failure rates, and cheaper device categories fail more than pricey devices. Last time I looked, MacBooks were among the most reliable, consistent with my experience.
Places like Gartner and IDC have this data. Usually you can find references to it online.
But the high quality part lacks credibility.
For only 6 SKUs, they should be able to perform better quality control & testing than this.