Is it because now is prime GOT season? Or does their technology simply suck?
When have you tried to do HBO Go?
I never have a problem with it outside of my Chromecast dropping connection and then having to restart it, but that's not a HBO Go problem.
This season, I actually watched (almost) every episode of GoT, Veep and Last Week Tonight on HBO Go. The first time I've done that.
Typically, especially during the big shows like GoT, HBO Go will be just terrible for premieres and finales. Almost impossible to connect usually.
So this past weekend, I watched it live through my DTV box. Honestly... I could not tell a difference between watching it on HBO Go through the Chromecast and watching it in 1080i off DirecTV.
Just need HBO to get that Go app out for the FireTV so I can get rid of this almost useless (to me) stick of Chromecast and claim one of HDMI ports on my receiver back.