Of course they could have done better. Saying they were "perfect" is something not even they would agree with, as they were the ones who have pointed out they learnt a shitload of stuff, during this, about the process of actually doing a film. Even with that acknowledgement, there are a disturbingly high number of very basic directing errors in the film, whcih had nothing to do with the ffects, script or budget and everything to do with their directing technique. Many of which they continue to think were the right things to do.
