>There will probably always be a need for expert-level troubleshooters and optimizers who understand all the layers There's already so many layers that essenti

>There will probably always be a need for expert-level troubleshooters and optimizers who understand all the layers There's already so many layers that essentially no one knows them all at even a basic level, let alone expert. A few more layers and no one in the field will even know of all the layers.