It will be a bit sickening if judges there pick out the changes I have made for adverse criticism.
The irony of it is, chances are those changes are the most likely candidates for criticism - so be prepared!
There was a situation I heard about recently (I think I may have written about it in Southern Script recently), concerning a film about a telephone call being made. First competition judges said that the voice 'at the other end of the phone' should have been quieter than the on screen speaker's voice and maybe should have been made to sound more like a telephone speaker'. Good point thought the film maker, and changed the audio accordingly. Next competition judges said the sound was up and down all over the place .... How's that for frustrating a poor film maker?!
I haven't seen or heard the film in question, but I'd say the first competition judges had the right idea. Maybe the execution just didn't come across properly - but you can see the frustration experienced by the poor film maker.
I'm sure Judges do their best. Judging one film is tricky ... judging a whole batch of say 30 in a competition, one after the other - and writing up a crit and advice on them all afterwards, mostly without an opportunity to watch the film again ...
The one thing I have learned when doing judging is that you MUST leave all personal feelings at the door, and NEVER even consider how you would have made the films being watched. You judge what the maker did and had in mind to do, and how well he succeeded in 'getting his story/message' across.