The problem with becoming an expert is that you greatly limit your marketability and pigeonhole yourself into a small niche. When that niche loses demand, or y

The problem with becoming an expert is that you greatly limit your marketability and pigeonhole yourself into a small niche. When that niche loses demand, or you want to move someplace where there's no jobs in that niche, you're screwed. A generalist has a much easier time changing jobs and therefore more job security.