You should start a thread on that article. Key takeaway:We are not a threat to pass AT ALL.
After watching the Eagles under Chip Kelly trying to run this same exact offense with a non-running QB, I've come to realize that better defenses can stop it because it's too damn predictable if your QB isn't a threat to take off for 20 yards on every play.
You just stack the box and play press-man. Google "Chip Kelly and the Vanishing Offense". Tremendous article complete with pictures and video explaining the main problems.
"Good coaching is about adapting. Kelly has failed to adjust."
https://theringer.com/chip-kelly-san-francisco-49ers-offense-f332f053870e#.c8vfjwmxu
And uptempo spread is plain stupid with the players we have the roster. All it is doing is generating quick three and outs and exhausting our defense.