I thought the movie was really good and the suspense throughout was 👌. For people not liking it, I think they are completely missing the point and part of, what I think, the plot addresses: people wanting/thinking/needing to know everything when we may not have any idea of what is going on at all… also being super reliant and codependent on technology.
As for not knowing who was behind it all, again, I think that is kind of the point. Does the US government really tell us everything and if they do, the full truth? G.H. said it himself, confusion and the inability to communicate was phase 1.
The ending, to me, made complete sense… the girl was obsessed with finishing Friends and at least she was the only one who got her answer LOL.
A good watch if you love trying to figure things out along the way!