Because it makes too much sense. And because of this picture I saw yesterday:
Prior to seeing the above, the only other photo I had seen was this one with a whooooole lot of orange in it:
But the photo with the arrow makes it appear that white will be the dominant color and orange will be an accent instead of the primary focus. And if orange is only on the shoulders then it probably resembles what the current third jersey looks like:
I say probably because I am thinking about:
You (potentially) have the next generation of Flyers primary uniforms lined up (if the fans respond favorably to them).