Another alternative is that modern humans did not evolve from apes, but were created more recently than 400,000 years ago. Many recent studies support this hypothesis (see below). (Gibbons, A. 1995. The mystery of humanity's missing mutations. Science 267: 35-36.)
I haven't looked it up yet, but I'll bet the national debt of the third-world nation of your choice that this quote and that reference didn't come as a pair. Where's the "other thread" where this is under discussion?