Keep the fees from unfeasible inventions (Time Machines, Perpetual Motion, etc.)

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I noticed in the terms that if a person submits an idea that is unfeasible (time machine, etc.) that their money is returned. I think that this money should not be returned and instead it should be pooled and split up and paid out to the users who would flag these ideas for quick removal. For example: If 25 ridiculous ideas were submitted in one month for a total of $250 in fees, and the first 5 members who flagged them received credit for flagging them, then the payout would be $2 per red flag. Members would be rushing in to cull out the nonsense. The quality ideas would be more visible and it wouldn't cost any more. It would work just like Add A Similar Product, except that it would be adding a red flag. You could warn people that their money is not going to be returned if they submit red flag inventions, but I think that many people will submit silly ideas anyway.