So it's unclear as to why this is big news, when the magical tear-inducing Windows Phone 7 Phone is already widely available elsewhere on faster networks. But if Verizon wants to swim in the gutter, I say let them have at it. It won't make one bit of difference to the Windows Phone 7 Phone market share*. Obviously.
*Because it's immeasurably small now, just in case you needed this footnote to clarify the point.