… but varying results. The awkward problem with Smith’s approach is that, to most people, evolution means Darwinism, period. And until comparatively recently, the “less evolved” stuff was what Darwin’s followers genuinely did believe. It wasn’t an extrapolation, it was part of their global belief system — as it was of Darwin’s. It’s no use looking hither and yon for how that “less evolved” idea got started. At one time, racism was based on a variety of folklore grounds; Darwin came along and made it sound scientific.
If these biodiversity profs really need to muddy the history as much as this, maybe things are even worse than we knew. Stay tuned.