"Chemistry" is definitely an important ingredient in basketball, but high expectations in that area cannot be heaped on a BYU team at this point in the season when they have half a new roster, an entirely new coaching staff, and new offensive and defensive systems they are running. And, key players like Hall out for a period of time and unable to practice.
Chemistry will grow and continue to develop.
In addition, these claims that "they have no chemistry" must be based on watching different basketball games than I am watching. When I see Dallin Hall go to the hoop down the left side, draw two defenders, and slip a pass back to Keba Keita for a nice dunk in the lane - which happened last night - then that seems like chemistry to me. Or, some good ball movement in running a play to get Richie Saunders an open three from the wing that he drains - happened three or four times last night - seems like chemistry to me. Or, Kanon Catchings driving and then whipping a pass to Knell for a three on the baseline, or he or Dawson Baker throwing it to Keita for a lay-in at the rim with nice accuracy - both happened last night - seems like chemistry to me.
Is the overall chemistry at a super-high level right now with this team? No. Is there plenty of chemistry to make for some really good basketball players? Yes. It's coming right along.