Actually, this is not a poor hardware design decision. It makes sense for certain systems to have a power buttons, other systems don't generally use one (e.g. r

Actually, this is not a poor hardware design decision. It makes sense for certain systems to have a power buttons, other systems don't generally use one (e.g. routers). Power down strategy is left as an implementation for the user. Read-only systems have many advantages and I wouldn't consider them a "hack".