Same reason FP took out the wavy brow in the FPH....more options, and that's first hand info right there. ..
I know, I was on the phone with him with you and DM at my house on the sofa when that was decided. I was part of that decision though I felt at the time it should have been less generic. You felt other wise and it ended up being the great helmet we have today, thus the reason we had several great heads together on that project.