C is chosen because how little language there is. Attempts to improve it end up adding to it, kind of defeating why it is useful in the first place. I find D's

C is chosen because how little language there is. Attempts to improve it end up adding to it, kind of defeating why it is useful in the first place. I find D's better-C dialect to be a definite improvement across the board, but there is a lot of institutional inertia behind C.