A flashlight is designed to be used in the dark. The simple act of picking it up puts your fingers in the position needed to be able to turn it on. You can turn on a flashlight without having to see.

Actions should be in the most natural positions for their usage. A large form with a save button icon somewhere off in a corner, or an important screen hidden under a four level navigation menu keep the user blind.

The more the user has to hunt, the more likely their frustration, exhaustion, and potential failure.