Think about the lines of the numbers (the 1 at the beginning is a gimme). 1+2+3+4+5+6+7+8+9+0 placed on top of each other are going to produce a "0"-ish look. I'm not guaranteeing the effect, but it's easy to imagine it being possible.
I got a replacement refurb Moment (AMOLED screen too) and it had the status bar across the top burnt in badly. That led to me getting an Intercept replacement, which in turn directly led to me upgrading to the Epic (oh my gawd the Intercept sucks...).
Yeah i spent alot of time thinking about this, but still ....anyway it doesnt matter, the photo real or fake, no one is arguing if burn in is real cause it is. although the term "burn in" is a misnomer.