Amazon has launched a pile of new smart home devices, with a particular focus on encroaching into Google’s Chromecast territory. Its Alexa-enabled microwave has stolen most of the headlines, but this is an onslaught of new devices that are intended to significantly raise the barrier-to-exit, and make it exponentially harder to leave an Echo ecosystem once you’re inside it. In the straight-to-consumer smart home world, there are two clear camps – Google and Amazon. There are smatterings of smaller islanded approaches, from vendors looking to expand on the professional installation experience, and some limited adoption from CSPs, but with Samsung’s SmartThings and Apple’s HomeKit seemingly very far off the race pace, Google and Amazon are a long way out in…