Originally Posted by CyberSEO

Sometimes a race is not something which can be changed at will. If it's a part of the story and if it's a part of character's nature. Would you like to watch a movie about Bruce Lee if he will be played by a white dude? Or how "The Lord Of The Rings" would look like if elves will be Africans, gnomes will be Asians and Orcs will be white Europeans?

"The Dark Tower" is a dark fantasy western, which was expired by "The Good, the Bad and the Ugly" and Clint Eastwood, but not by Jackie Chan, Arnold Schwarzenegger, Morgan Freeman or Natalie Portman. Those are good actors, but they are not western gunslingers.