Imagine that you're creating a REST API for a product catalog service, and you're building the endpoint to view a product by id. Which...

The point of following a recipe isn't to follow a recipe.

Well, as one of my silat teachers says, "The best way to fight more than one guy is to fight one guy at a time."

To understand why anyone would say this, you have to understand the problem that gave rise to it in the first place.