For the current half price it appears it's worth it with the Italian races and a few other races.I was right, Italian races added to the US schedule on GCN: https://help.globalcyclingnetwork.com/hc/en-gb/articles/360015571479-United-States-of-America
I was very happy with how it worked for GP Marsellaise. I didn't watch it live but I was able to stream the replay directly to my Roku from my iPhone with one click, the video played smoothly without issues. It was the full HD British Eurosport feed with no commercial breaks.
It appears you can watch through a laptop/desktop or Roku?