This has been known since it was released. The same for OK Google, Cortana and Siri.
Podcasters have been using "Amazon Echo" instead of Alexa since its release, because of this issue and they try not to name the other services either, although "OK Google" can sometimes be activated by just Google or "oh, Google".
There was an XBox ad, just after Kinect came out and the person doing the ad showed off the XBox doing certain things and anybody with a Kinect found there XBox mimicing the ad, especially annoying for those that were watching a video on the XBox and the ad told the XBox to switch off!
