Furthermore, do you think it's actually possible, with your knowledge in music theory, that such a blending of genres is yet to be found which could make the complex palatable in a way that the general population would accept it?
key changes and harmonic complexity can be a very powerful tool. it is one of many tools. if you notice that a certain powerful tool is not being used to its full potential, you can start using it and you might have a huge advantage. i'm not sure if that answers your question