Epstein MP, Satten GA (2003) Inference on haplotype effects in case-control studies using unphased genotype data. American Journal of Human Genetics 73:1316-1329, Figure 1

What's wrong with this one?

This half-page plot contains little information, and all of the interesting action is way in the lower-left corner.

What should have been done?

Plot either the percent difference between empirical and nominal, and just for the region of interest, or just say that the empirical results exactly matched the nominal ones.