I wholeheartedly disagree. First because I'm a self-taught developer (if such a thing is actually possibly), and second, because I often find myself studying deeply into things outside of the languages I use. A self-taught programmer isn't any less (or more) motivated to study Comp Sci topics than a CS student and most school's curriculum are wide open for anyone to inspect. Most self-taught developers I know are actually mostly the same, deeply passionate, driven, insightful, and knowledgable in a wide range of Comp Sci topics. But as the saying goes, birds of a feather flock together. I suppose I wouldn't necessarily engage with self-taught programmers who don't exhibit any kind of depth any more than I would a University CS graduate who lacked depth. Having said that, none of us are experts in all things Comp Sci related.
The difference between a self-taught programmer and a college CS education is that the self-taught studies what he wants to. If a self-taught person dives into the CS pool, they often learn much more than a B.S. CS person because they are learning what they want to.
However, some self-taught people have conditioned themselves to hate CS due to constantly needing to prove to companies that they are qualified for a job despite not having a CS degree. These people place little value in understanding CS and because of that they are worse off because they weren't forced to learn it.
It all depends on what kind of person the developer is, and I am glad that you are the first kind. I'm getting tired of HN bashing any article that suggests that perhaps a developer doesn't know everything.
