I think your definition of “bored” is closer to my definition of “motivated”. I consider the two different things. As ctdonath points out above, the definition of “bored” I think this article is using (and the one I'm applying to it) is “I don't know what to do”, not “I don't want to do anything”. So if we talk about the latter, you're completely correct. I think if we talk about the former, the author/article makes a better point.