[DalekBaldwin]

This is the general answer to "why is there so much bad code?" in almost any context. The marginal value of a poorly-written solution compared to no solution is usually much larger than the marginal value of a well-written solution compared to a poorly-written solution.

[rco8786]

In some ways it's a rule that only bad code gets shipped. I find that heuristic helpful in my day job.