Making Minecraft Money

Brandon Relph Has made 12,966 american dollars by the age of 15. He has a team of 23 people across thirteen countries and all they do to make money is build in the game of  minecraft. The way they make money more specifically is a consumer would ask them to build something they build  the other pays for example maybe universal studios would want the back to the future clock tower recreated in minecraft the team called go creative would recreate the clock tower and then universal would pay them for it. Could you make money by playing games like this?