Siri has 20x more active users than Alexa. Not sure about Google. While they are perceived as having fallen behind, Apple is still way, way ahead. And when she works, like driving directions, people aren't even aware they're using Siri. Damned impressive given the car is moving through a vast network of roads/traffic/construction while instructions are being given. Meanwhile, Alexa gets to sit at home and help with b…
Also, you trust Siri for directions over Waze-integrated Google Assistant? Good for you player!
As for voice comprehension? I pity the fool who cares compare Siri to Alexa. But what do I know? You probably have a MacBook, an iPhone an iWatch and could not imagine anything better in your life.