Permafrost - I feel for you, I really do. There is nothing worse than feeling like you've done a good job and then not getting the job. Worst of all is not knowing WHY!! Feedback pleeease. Same thing happened to me a couple of years ago.
For whatever reason BA and you are not suited and on that basis it is probably for the best that you didn't go there. At least it makes the BA/Easy decision for you!!