I think even the fact they've heard your idea, won't make sense for them in the way you see it. And if they will dare to implement it before you firstly - it will be another idea from their point of view and secondly - it'll push you to overcome them.
Another thing I agree with. They won't see it from your perspective but better yet, it will motivate you to outdo them. I'd go as far as adding that you can steal from whoever steals. Let them do the hard work then learn from their mistakes. Either way, you win
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I think even the fact they've heard your idea, won't make sense for them in the way you see it. And if they will dare to implement it before you firstly - it will be another idea from their point of view and secondly - it'll push you to overcome them.
Another thing I agree with. They won't see it from your perspective but better yet, it will motivate you to outdo them. I'd go as far as adding that you can steal from whoever steals. Let them do the hard work then learn from their mistakes. Either way, you win