In my career, the biggest problem with ORMs I’ve used is something the author touched on: They can be terribly leaky abstractions. It seems that many ORMs end

In my career, the biggest problem with ORMs I’ve used is something the author touched on: They can be terribly leaky abstractions. It seems that many ORMs end up re-implementing SQL in their own domain-specific language. However, an understanding of SQL is often needed to debug and optimize ORM queries. So why not just use SQL directly then?