I'm expanding on what the article already makes clear. Dogs have been intensely selected and bred, to the point of differing significantly from their ancestors, cats have not. As the article also says, cats have largely domesticated themselves. Humans have done next to nothing to change them, in absolute contrast with dogs. This is not an opinion, it is a fact. And it has nothing to do with intelligence comparisons.

The point is that the animals being compared, while considered 'similar' domestication wise, are anything but.