Every utterance or movement could be met with a chorus of slavish obeyance by your white, brown and shiny goods. Badly designed hardware interfaces will be bullies – demanding their own room, with no interfering IR laser speckles and a stalkerish obsession, hanging on your every word.
Whilst the technology companies demo their living rooms of the future, they live in a dreamlike world where everything you buy is a Samsung, or a Sony, whereas the reality is a Funai next to a Huawei next to a Panasonic next to a Vizio. And it’ll probably take 10 years for them to work together to fix this mess, let alone pipedreams of creating common standards.
Previously and somewhat related: The Problem with the Internet of Things.