I don't know what pictures you're looking at. I have the same very coarse, wiry, wavy, thick hair of Indian people
As far as donor density goes, look at the sides in the original pic in this thread. The density on the sides is supreme. If I grow it out just a bit, it's like a jungle on the sides. He showed me the 4K grafts, it was tons and tons of 3s and 4s
When I grow out my facial hair, it's the thickest, most dense facial hair you've ever seen. I have crazy thick hair everywhere except top of my head