I rarely tell people to throw their devices into the sea, but you should throw your Amazon Echo into the sea.
https://www.wired.com/story/everything-you-say-to-your-echo-will-be-sent-to-amazon-starting-march-28/
Amazon is killing its “Do Not Send Voice Recordings” privacy feature on March 28 as the company aims to bolster Alexa+, its new subscription assistant.