He said they don't want to build a board that early, before they've started the final discussions with each other and before they get all the information for the prospects(i.e. all the tape, all the interviews, individual work outs, etc.), because they don't want to fall victims to certain cognitive biases (like confirmation bias, recency bias(said they are watching video not in chronological order to avoid that one too), etc.) in constructing their big board. That's actually a really smart move and should be taken as a huge positive, rather than as a sign of neglect or lack of seriousness in the draft process.
