We were right all along. The MO version of ligand field theory is not as relevant as the potential-based version.

Ben Houghton's first full paper appeared in September's special edition of the European Journal of Inorganic Chemistry. The edition celebrates "Modern Coordination Chemistry 100 Years After Werner" and is edited by Debbie Crans and Ebbe Nordlander who also ran the Zing Coordination Chemistry Meeting in Decemeber 2013.