1. They don't have the same kind of budget as Google to get the scale down as effectively. 2. If these are the ones I have heard about before, all the speech t

1. They don't have the same kind of budget as Google to get the scale down as effectively. 2. If these are the ones I have heard about before, all the speech to text is done on the device not in the cloud. This is for privacy reasons. Means it needs a bit more bulk for the gear to work.