correct me if I'm wrong, but, isn't the area set aside for the flash replaced by the wifi antennae? Isn't that one of the reasons the 6d, which is more geared towards the consumer crowd than the 7d2, didn't get a pop up flash? I thought it was something to do with the body construction (type of metal would block wifi signal and weather sealing, so they had to put the wifi antennae outside of that shell in that little nub the pop up flash would go).
I'll be honest, Canon makes up a lot of BS and excuses for leaving out features either for differentiation or for cost purposes. Pop up flash, wifi, and GPS are all able to be fit in a body. Example no headphone jack on the 70D - "we ran out of room," yeah, ok... I'm sure there are absolutely no free spaces anywhere on the 70D body, lol. Cell phones 1/10th the size and 1/10th the cost of the 7D have wifi, gps, flash, headphone jack, usb port, and a whole lot more. Canon is just trying to balance 'product differentiation' and costs, but often makes up nonsensical excuses when pushed on why something was not included.