Apple's strength is its limited product lineup, and iteration on those devices.
Even dating back 10 years, there's really only Macs, iPods, iPhones. Now Watches. Smaller stuff was also always around (Airport, Time Machine, TV, now Homepod)
There is also a big difference in how these new devices interact -- they talk to each other in non trivial ways (e.g. watch <--> iphone). Now instead of QAing O(n) feature, you need to QA O(n^2) feature interactions. This is hard to scale and maintain
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Apple's strength is its limited product lineup, and iteration on those devices. Even dating back 10 years, there's really only Macs, iPods, iPhones. Now Watches. Smaller stuff was also always around (Airport, Time Machine, TV, now Homepod)
There is also a big difference in how these new devices interact -- they talk to each other in non trivial ways (e.g. watch <--> iphone). Now instead of QAing O(n) feature, you need to QA O(n^2) feature interactions. This is hard to scale and maintain