Well your's situations seems quite unique to me, I believe google is nothing to do with your $8 if they realised you are involve in fake clicks, They will banned you rather then cutting a little amount from your account.
Google doesnot show earnings if invalid clicks, but if it shows then never happened like this to deducted given money.
Yeah that's what I was thinking. Google usually confirms if a click is valid before giving you money, they don't give you the money then decide the validity of the click, and subtract from your earnings.
Be wary; did you ask your friends or family to click? If so, you're seeing reimbursement of those clicks and possibly a ban in the future.
It's normal. Nothing to do with it. I always has similar case as this and I don't believe that thread creater - Ibr@him is cheat.