Sorry to hear that. Just one suggestion, if you still somehow make it to 2nd interview...don't tell them that you want to come to KAUST for Makkah and Madena..dont even mention it....may be you've mentioned this thing in your SOP that's why your application is dropped (as far I think). I've heard of many cases where Pakistani or Muslim students talk about Haram and how good Muslim they are bla bla bla and get rejected in 2nd interview. Khalaas. Lastly, don't worry, you know everything happens for a good reason, you just don't know it yet.