Creating scarcity on top of something valuable is human nature. There are markets for famous players signed t-shirts, footballs, photos. But we never worry about the world running out of t-shirts, footballs, photos. To make something valuable it has to be more than just being unique. No two leaves are the same, why don’t we all pick leaves and be rich? We are still at discovery stage of NFT in crypto world, when the hype die down, the market will balance itself and until then the real value of NFT will appear.