You can't be serious. This is a highly specialized field in a topic that a few dozen people have interest in. Rather useless and basically a mental stimulating

You can't be serious. This is a highly specialized field in a topic that a few dozen people have interest in. Rather useless and basically a mental stimulating game for some professors. I have a math PhD and know very well that math went well past its point of diminishing returns in solving real-world problems a long time ago.