I think it may skip over a more fundamental reason in that they may look like the environment we evolved in, at least that's an impression I got in Africa in pl

I think it may skip over a more fundamental reason in that they may look like the environment we evolved in, at least that's an impression I got in Africa in places like: Serengeti https://cdn2.rhinoafrica.com/thumbnails/media/_en/destinations/root/africa/east-africa/tanzania/serengeti-and-the-north-of-tanzania/greater-serengeti-ecosystem/serengeti-national-park/_img/gallery/53383/image-thumb__53383__background-cover/field-with-zebras-and-blue-wildebeest_192248950.ed7d5949.jpg https://cdn2.rhinoafrica.com/thumbnails/media/_en/destinatio... and the Okavango Delta https://whc.unesco.org/uploads/thumbs/news_1987-890-520-20190805144215.jpg https://whc.unesco.org/uploads/thumbs/news_1987-890-520-2019... As probable persistence hunters, grassy areas with animals in to run after likely would have been good.