W4 is the shit we all know that but if you want to consider why you were denied... circle back to your app dipshit. I've worked with w4 for sometime now and never had an issue with their traffic ever.
*What are you marketing methods? Is there anything lucrative that you bring to the table?
*Refs from other networks... believe me when applying they will call your references. Maybe they cam back dirty?
*Assets to be approved... sites etc. Do you have these? Are they any good?