(Or has Apple closed this hole yet with timestamping?)
"That is iOS7."
"It appears to be different from iOS6."
"That's an iPhone!"
"I see that Apple made this."
"Well this discussion is getting a little bit too heated for me, I think I will go and reserve my judgement somewhere else for a minute."
If I showed you a picture of a 4 foot wide ship wheel and said I was going to install it in my Mazda Miata - you'd know instantly that it would be unusable, right? How about a screen-shot of a text editor that only shows you one giant character at a time?
Even as we move away from the ridiculous end of the spectrum of examples - you can know how usable something is based on past experience with similar environments.
You do realize you are on a web site designed for commentary on tech matters?