Why invent yet another complicated voting process to game the system when you should just vote on the things you find valuable.
Because as I explained in great detail, straightforward linear weighting can also be gamed to degenerate outcome.
Non-experts commenting on suggested algorithms involving game theory is kind of amusing. I don't mean that as an insult, but I hope you guys realize that if we gave the keys to you, the system would burn down to the ground.
You need to really broaden your analysis when entertaining game theory. The attack vectors come from complex scenarios you would not intuitively think of.