[myro]

But wait, earning this money and storing on AdSense account is tricky and there's no such thing like buy bitcoin with adsense balance, right? To be able to withdraw that amount the owner is expected to provide tax information and so on..

[zandjager]

This is the real question. He could do it legitimately, as google doesn't really care where your income comes from. Hence the implication of google in this story as a party.