You could say that about any piece of technology, including the Internet. I mean fuck, the internet is in your home! It's like letting every basement dwelling pervert peek into a keyhole in your basement!
From the article: "Police and prosecutors generally don’t expect much evidence from Echo recordings — if any — because Echo speakers are activated with a wake word — usually “Alexa,” the name of the voice assistant."
They complied with a legal order - they didn't submit it to the FBI.
I have enough aluminum wrap at home to enforce my hat. If you read it carefully once again, you will see that they are RECORDING YOU AT ALL TIMES and there only a piece of paper from the government is stopping then from sharing it with others.