"Nothing in these Official Rules will be construed as a representation or agreement that we or our affiliates will not develop or have developed products, concepts, systems or techniques that are similar to or compete with the products, concepts, systems or techniques contemplated by or embodied in any Submission Materials."

Let me see if I got this right. I enter with my project, they like the idea, they cut me off and build my project as their own. And I get 25$ for participating...

Is this realistic or am I just being paranoid?