Looks like the indoctrination didn’t exactly “take” with some of the evo crowd, either. This author has no idea what he or she is talking about. Isolation and “genetic bottlenecks” are credited with human evolution. Broadening the gene pool will cause a reversion to the norm.
Most of them still think the giraffe streeeeeeeeetched its neck, and then its baby had a slightly longer neck at birth, and streeeeeeeeeetched its neck, and so on.
The “outer space” theory is much more reasonable; I have two sons who are certifiably aliens.