Let me start off that I like many others have been a huge Ghost Recon fan since the beginning. That being said, I have to say that I'm a little worried about how well this game is actually going to do. I have played the tech test and the open beta and even though they are fun they lack any kind of multiplayer. Co-op can only take you so far but what happens after the end game and beyond the season pass content. There is no value because there is only co-op or single player. I'm used to having multiplayer in a GR game and playing TDM or Territories or other modes that make a online multiplayer game great. I haven't even heard if the game is going to have PVP or PVE. I think they really took a step backwards with this game. It's nothing more than a military Watchdogs type game except it's open world. Open world shooter games can get rather tedious traveling from one end of the map to the other and could become boring for other players. I realize that there are fast travel points but still, going back and forth could be boring to gamers. Anyway, my point was about MP and how this game doesn't have it. There really need to be some kind of MP feature besides co-op or this game is going to fall hard. Just my opinion from what I experienced so far. It would be nice if we had a little more info on the game besides single player slash 4 player co-op.
No offense, but maybe this game isn't for you then. I do agree with your point about potential longevity of the game w/o something to do post game, I can't really deny that, but just because it doesn't have it, doesn't mean it is not worth getting. Several SP/Coop games are out there with no real post game and people love them.