[hinkley]

Bertrand Meyer and a few other notables talk about separating decisions (policy) from execution, which happens to address some of those issues, because the decide and act become sibling function calls instead of a deeply nested chain of responsibility arrangement.

It also happens to make testing a lot easier.

It's probably just a crystalization of the old idea of keeping business logic out of your code, but somehow misses the open invitation to create rules engines...