Being able to get 4chan to vote on something is probably more correlated with meme creation skill than validation of a market for any product. This type of contest often measures the size of participants' networks and their ability to leverage it, not the things being voted on. Lots of them run by large brands end up being won by people like teachers who can convince their boss to ask all the students in the district to vote for their teacher because they know him/her, regardless of the idea submitted.