Crime fiction makes money. It may be harder for writers to get published, but crime is doing better than most of what we like to call CanLit. It's elementary, plot-driven, character-rich story-telling at its best.
It's the thing that you do well that brings you to prominence. The very thing that brings you to success can also be like a curse, because then people think that's all you can do.
It doesn't matter whether you can or cannot achieve high temperature superconductivity or fuel cells, they will always be on the list because if you could achieve them they would be extremely valuable.

