The conclusion to the "hit by a bus" problem is correct, even if the argument to get there is wrong. It's still correct to spread knowledge around as much as p

The conclusion to the "hit by a bus" problem is correct, even if the argument to get there is wrong. It's still correct to spread knowledge around as much as possible. First, it prevents a single person from becoming a bottleneck in development. Second, a better understanding of the rest of the system helps developers understand their assignment better.