Some ML algorithms certainly can fall within the category of a narrow AI, as they perform exceptionally well on tasks in a narrow band of functionality.

AI is a meaningless term. Expert systems are AI. ML is AI. Regressions are AI. I know that's hilarious but until we get a better definition of AI than "a system that exhibits learning and decision making" then regressions are AI.

> I don't really consider any machine learning AI

What matters is that the authors of the article mean machine learning when they say AI. So they’re talking about unethical machine learning.

Which is basically unethical maths, whatever that means.