[needhelpplz]

Well, if everybody started doing it, won't the returns fall to zero? Sort of like if arbitrage opportunities are present (in this case its a technological one), this would go away.

I bet since writing this article the opportunities has pretty much slipped. Now anyone living close to the exchanges will do this.

[toxicFork]

What if many people are not doing it because they think that many people are already doing it, and actually as a result of this, very few people are doing it?

[needhelpplz]

they would lose money and only to be replaced by others who think the same thing?