http://www.techradar.com/news/amazons-echo-show-can-no-longer-play-youtube-videos

Amazon’s Echo Show — the Alexa-powered device that displays videos as well as spouting friendly banter — is now showing quite a bit less than it used to thanks to Google. 

Not so very long ago, you could watch YouTube’s entire library on the diminutive device, but if you try that today, you’ll get a terse statement from Alexa saying that, “Google is not supporting YouTube on Echo Show.”