All those preorders, and VGC has PS4 winning by less than 40k combined for Cod and Battlefront launch weeks. Seems unlikely.
With these things it's been proven over and over that it's best to wait for NPD and adjustments. We would all love for VGC to be more accurate over time, and to their credit they DO make the necessary adjustments as time passes. But week to week accuracy, particularly in times like these with rapid changes in promotions, stock availability, etc, well .. to put it kindly, it has to be really hard to accomplish without the raw access to all the gigantic retailers.
Once in a while they are pretty darned close though for sure. I'd bet on this months numbers being a bit off however for a great many reasons that have already been noted, such as your own.