I think its a great idea as well, but its easy for us to say that without understanding all the nuances that go into molding a part. The phrase 'easier said than done' comes to mind. Nothing is ever off the table though....unless its a platypus.
LOL. I love platypi.
Keep in mind that if BF makes armor based on GOW, it will probably be different than what HAZEL makes. Not sure how many armor types there are, etc., but generally customizers try to make something someone else hasn't, so maybe BF would make a different armor variant. (Comparing to Halo, Mark VI to EOD to Hayabusa, etc.) I am not saying it can't happen, nor did I get this from the Forge Masters, it is just my thoughts on the subject.