There's no such thing as a simple cache bug.
Using Unix is the computing equivalent of listening only to music by David Cassidy.
When there is no type hierarchy you don't have to manage the type hierarchy.
Fancy algorithms are slow when N is small, and N is usually small.
If POSIX threads are a good thing, perhaps I don't want to know what they're better than.
Productivity is most important by engineering management rules, but enjoyment is most important for engineers. One stems from the other.