Key word being "human". We can't possibly know what goes on in an alien mind. But as Gawdzilla pointed out
We are on the outer arm of the galaxy. It does make more sense to go inward. Going inward the likelihoood of meeting sentient species is greater. Personally don't think we are that special. As the article said, the likelihood of meeting a living species we detect is small. Sheer distance, time of travel, the enormity of building, developing and then utilizing an interstellar craft- a whole lot of reasons it would make no sense.
Actually we're closer to the middle of of our arm. The radius of the Milky Way is about 50,000 light years, and we are 25,000 to 28,000 light years from the center. Moving to far inward would probably be a bad idea. There are a lot more stars there, but as a result it is also a lot more violent. We'd probably get fried pretty quick with gamma or X-Rays.