A few reasons come to mind: - landgrab. You're very unlikely to have more than one smart speaker system in your phone, so once you've got an Alexa, you'll prob

A few reasons come to mind: - landgrab. You're very unlikely to have more than one smart speaker system in your phone, so once you've got an Alexa, you'll probably pick up some Alexa Dots rather than get a Google Home. This applies to an entire household in the way that even cellphone choices don't. - lock-in. The web is all pesky and open, whereas these voice interface platforms are perfectly locked in for ultimate profit. And you can't get the web on them! Ideal.