With every person, you have a specific style. Whether it's the art, the writing, or presentation everyone has a theme of their own.
What you have may be good and can incite some interesting notions about things. Some of them are great ideas and others don't make much sense or even at all. But it shouldn't hurt for you to try. I tend to be an artist that swings in the way of coming up with the most random ideas and doesn't really necessarily have a theme to it. I can draw anime one day, but then draw a western cartoon the next day. So there really is no fixation in a certain aspect or subject (other than fantasy probably since I also like to