The article uses "races" in plural, obviously in a biological sense. In the 21st century, that is pseudoscience, see e.g. the last two references given at Race (biology).
The illustration of Baartman has no context or explanation at all.
The article seems to imply that classifying humans in races is not objectionable. The AAPA (American Association of Physical Anthropologists - see the ref at Race (biology)) says that The belief in “races” as natural aspects of human biology ... [is] among the most damaging elements in the human experience both today and in the past. WP has to inform our readers on mainstream science, not to promote pseudoscience.
Such claims were made, mostly between 1880 and 1930. Meaning that Hitler (came to power in 1933), Jim Crow laws (until the 1960s), apartheid (until the early 1990s) and slavery (abolished in the US 1865) were not justified by scientific racism.
