Some of it is that, but I can say from my own experience that the company itself can draw large numbers of this kind of candidates. For various reasons ($) I’ve

Some of it is that, but I can say from my own experience that the company itself can draw large numbers of this kind of candidates. For various reasons ($) I’ve worked at a company that people view as a sort of safety school; you get a much higher fraction of incompetents at companies like this. You don’t see them at startups or at companies with solid technical reputations.