It's better in ways you don't think about.

(It works offline, it works in other languages, the TTS is much better.)

None of it matters if it does not understand the audio input and maps it to the correct actions on your device.

The first one is a solved problem now, and the second one, while not solved, is where a little bit of research can really make a difference.

And apparently that doesn't stop people from buying their products

It doesn't.

Apple makes the best hardware, period.

It makes sense that people are willing to overlook subpar software for top notch hardware.