Why is it that fast food burgers look so much better in their ads then they do in reality?

You know the deal, you drive into the drive-thru at any burger joint and you see that picture of a burger that just makes your mouth water but when you drive away and open said burger it looks like someone played shuffle board with it before they brought it to you.

Why is it when I ordered this:

They bring me this:

Well, Someone finally had the testicular fortitude (knuts) to go into the fast food joint and ask them to make their burger look like the one they are advertising.

What do you think, have you gone back and asked for your burger to look like the one in the photo?