What might be wrong (Score 1)

I think the 'unless they are fools' is the key here. Obviously the way they configured Apache shows their statement that "Both Linux and Windows NT Server were tuned to perform optimally under each of the two workloads." is false.

I agree with someone (sorry, I'm too lazy to check who) who stated in a previous reply that the systems should be set up by an expert provided by the vendor.

Oh, that's right, silly me... M$ funded the study, so we wouldn't want that.