If for some reason you have one of Bezos' Li'l Snitches in your house and it's rolled out the new voice (a lot younger-sounding, kinda creepy), turn to it now, say its name and tell it to "turn off follow-up mode." The new voice wasn't the only change (of course); it now listens actively to the conversation and inserts comments where no one asked for feedback.
Ideally, you'd throw the hockey puck out the window, but maybe you're staying with a relative and just need to shut the thing up without destroying it. This should do the trick.