Dennis, this is exactly my point! 
This is what my Nature Ecology and Evolution community blog is saying.
I agree it’s not on the radar, but I think we are getting ahead of ourselves if we say that none of the evidence even remotely suggests it, given that the hypothesis has not been directly tested.
This is exactly my concern with your book chapter. I think you are seeing things in the studies that are not there, as they never set out to test the bottleneck hypothesis.
So the question is: given that the scientific literature does not specifically address the question of whether or not humans have passed through a bottleneck of two, what further analyses are needed to address this question? This will take more work than just interpretation of the existing literature.
I am really glad that we seem to be finding some common ground.