I am reading a lot of beating on Cedars for this and here are my thoughts in his defense:
1. He did not think he would actually, ever get through. I mean common, if you called Bethel asking to speak to a GB member, even if you were told a possible work around, did you ever think you would get through?
a. Because of point one I doubt he had much to prepared because he doubted it would ever happen.
2. I think he was nervous and taken off guard that he actually picked up. I don't care what you believe, if you speak to anyone in a higher position you're going to be taken off guard and your nerves shaken.
Yes he could have asked better questions and raised bigger issue but again he never expected anyone to actually pick up.
I thought it was funny as anything! He pranked a GB member! How cool is that?