[Jensson]

For the same reason social science is called science. When words start to become prestigious many will attach that word to what they do.

[heyjamesknight]

Social science is science. In what way is it not?

[thsksbd]

Lack of reproducibility results for one.

[heyjamesknight]

That's a problem in all the sciences right now: https://www.nature.com/articles/533452a