I can't see that be the ending of the movie... that would be suicide of the franchise.
I saw the movie a few days ago and I didn't think it was horrible. I liked parts of it, but there are somethings that didn't fit well in what I thought of post-apocalyptic future. I always thought of the future as dark and bleak (as we saw in the earlier movies); that humans fought with whatever weapons they had, some cars, jeeps, not with Warthogs. There always seems to be a boiler room fight at the end... Plus, I thought there were too many models of Terminators about (I'm not talking about the foot soldiers but the motocycles, the huge Transformer thing that captures humans and puts them inside a container). I also thought that if the computers were trying to eradicate humans then why did they capture them to use all for the programs?
But it was a cool movie. Glad to see something fun come out.