Isn't Google's voice assistant activation "ok Google" as opposed to "hey Google" in this campaign?
I have google nest hub and I bought it for using hands free music control. I have 10 playlist on youtube music.(english, german, etc) and whenever I ask google to play songs from english playlist. Nest hub fails to answer and plays irrevelant song. another issue is that youtube music is not supported on nest hub for my country. (despite youtube music is official for Poland)
Hence, having nest hub proved that my next phone should be pixel or iphone to have voice assistant options...However, google phones are overpriced:(