why they are not predicting the future of man as to whom he will EVOLVE into?
See if you can find
After Man: A Zoology of the Future by Dougal Dixon - I think that it's out of print, sadly. It's a wonderful fantasy treatment of what (vertebrate) life on earth will look like in 50,000,000 years after we humans have polluted ourselves to death.
The rat clade figures rather prominently in that world.