Social sciences are a humanities. The term social science was invented fairly recently by sneaky academics to leech off the credibility of actual science.
> It's like the author isn't even familiar with academia.
Are you? This issue with "social science" has been going on for a few decades now.
Richard Feymann called social science a pseudoscience a few decades ago.
https://www.youtube.com/watch?v=tWr39Q9vBgo
The name social science was invented for the same reason creation science was invented because real science had such a good reputation and they didn't so they decided to manufacture some credibility by attaching "science" to their fields.