I always thought that HFT is a losers game. There can only 1 be the fastest and those that invest their money this way, could probably used it in a better way.

I always thought that HFT is a losers game. There can only 1 be the fastest and those that invest their money this way, could probably used it in a better way. And if you are winning. A small error in the algorithm could make you lose all of your profits. Rare events do happen and you haven't covered every case.