Pillock ooer I mean Pullock
Not really an issue. It gets the idea across and like Ayers Rock can be called either.
I've heard news reports that use the correct terminology, good on them but no big deal.
"black box" is almost a generic term in electronics for something that data flows into and is either stored or processed before being spat out in some other form.
I make stuff that feeds into what I often refer to as a "black box", essentially an analog to digital converter, then back into the computer for the computer to work with before displaying the resulting action on the screen.