It is a fact that many have problems with Alamy QC, i also have my fair share, however if a batch is failed i don't worry about it as the very same images are being accepted elsewhere and licensed, we must remember that Alamy try to have a 100% hit rate of technically high quality material that is how they work.
Personally i think they are over doing it as i am sure faults would only be noticed if the faulty images were published at 100%.
So for those who struggle just check a little closer before submitting, and if a batch fails it is no train smash, just get on with life, there is more to living than Alamy QC.
Paul.