[BeetleB]

> The only case where the code would be used (which is a valid reason why it should be available somehow) is to assert that your particular results are flawed or fraudulent;

Not true. Code is often used and reused to churn out a lot more results than the initial paper. A flaw in the code doesn't just show one paper/result as problematic. It can show a large chunk of a researcher's work in his area of expertise to be problematic.