I think it's Google's branding. Google Talk used to be a desktop app on your PC that eventually became hangouts which lines up with the sunset in 2013 when desk

I think it's Google's branding. Google Talk used to be a desktop app on your PC that eventually became hangouts which lines up with the sunset in 2013 when desktop apps kind of died.. I think for some reason, google is called this Google Talk instead of hangouts and moving people to chat.