Why people think this is creativity because he has a thought process that is free from exotic and different from the others, leading to the invention invented and created.
The cause is thought to be due to his creativity thought process, which is a novel idea of original and different from the others, ultimately leading to innovate and create new inventions.
The thought is creativity because he has the thought process, which is from the original and exotic idea different from others that lead to invent and create artifacts exotic.