The choice of A and B here seems designed merely to frame the conversation as unnecessary prerequisites versus if you say "you must do A before B" it just sound

The choice of A and B here seems designed merely to frame the conversation as unnecessary prerequisites versus if you say "you must do A before B" it just sounds more agreeable to begin with. In practice though, whether a prerequisite makes sense or not is highly contextual and is not done justice by a reductionist abstraction.