Not trying to troll. I expect this game will turn out really well, and it's going to be a great game, and I'm sure there's a great team at "The Coalition" working on.
That being said, this was a weak demo. Tearing, shimmering, totally blown out gamma ramp, couldn't see shit, weak animations, iffy textures, and the demo's actual content seemed mostly same-old. No real moments that said "wow, this is the next evolution of the franchise" or even really "this is something that wasn't possible on the last generation of consoles".
Gears 1 really defined the last generation. Drop-in drop-out co-op was revolutionary. The mechanics, including the cover, the roadie run, and the sort of walking tourism stuff really shaped a lot of games that generation. So to see a demo for the rebirth of the franchise and react with "well it looks like a game"... that sort of implies the demo didn't go well.