No, it actually doesn't, and I outlined why in the comment you replied to. In fact, I just checked what GTA V did sales-wise, and that 30M copies sold was passed in its first six weeks. It brought in $2B in its first six months. Of course GTA VI is going to do that again, regardless of what it does in subsequent years. And this is still not factoring in the revenue that GTA Online brings in. It doesn't have to be anywhere close to being as successful as GTA V in order to make back the $2B they spent making it.