In some cases you are right. If all you need is a simple landing page, with a simple form or two, then by all means - do it. However, if your application is mo

In some cases you are right. If all you need is a simple landing page, with a simple form or two, then by all means - do it. However, if your application is more complex, you should be careful. Chances are, you will add your own layers. And chances are, they will suck more than some popular framework or ORM. It's not that you make a conscious decision, a plan to do so, usually it's bit by bit. And having seen all the custom frameworks and shitty ORMs (because it seemed easier at some point early in the project), don't write your own ORMs for the sake of the maintainers mental health if not your own.