[manquer]

It is not that simple.

While premature optimization is definitely a problem, In my experience not handling it correctly before the app is in prod usually results in having to fix logical bugs , refactor for performance and add new features users are clamouring for at the same time.

We don't get lot of chances with users to say you will eventually fix these issues for them, you will simply loose them .

As all things there has to be a balance between both ends