Doesn't matter. There is a standard, there is an implementation schematic, and somebody chose to ignore it. Which causes one immediately to wonder about other shortcuts.
The Pi is not a toy but increasing used for serious jobs. This sort of issue doesn't exactly inspire confidence. It's a bit like buying a secondhand car and noticing that one wheel is different from the others.
I was on the verge of buying one till this came up, now I'm waiting for a revision. Not because of the USB issue per se, but in case anything else comes out of the woodwork.