I don't understand your position here. You seem to troll every thread on the subject of voice activated assistants in order to slag off the Echo, but you're spouting nonsense.
You frequently claim that 'no one really uses one', but that simply isn't the case. Or perhaps it is, if you mean that 'anyone who uses one often goes on to buy a second'. I have 2 in the house, and they're great. My wife uses them more than I do, but they are a fantastic convenience factor. Not necessary for anything, but handy for dozens of tasks per day.
For those that are interested in the positives, we find Alexa especially useful when cooking, especially meals that have different items with different oven timings. Bang something in the oven and "Alexa, set a timer for 12 minutes". Go do your thing, then she'll call you back when it's time to put the Naan in, and you set her for another 8 minutes. Like I say not necessary, but handy, especially with greasy fingers. "Alexa, play something relaxing" while my wife does some work. "Alexa, turn off the Livingroom lights" once we've settled down for a movie and can't be bothered getting up. "Alexa: Wikipedia: Blake Lively" when we watch end up arguing about who she's married to.