You walk in to a restaurant and the server does a great job, well you tip a little better than normal and possibly tell the boss. They do a crappie job; you tip less and possibly tell the boss. The do an adequate job, you leave regular tip and leave the manager ...
I find negative feedback quite amusing. This is due to the majority of persons leaving the feedback just utilizing the feature as a way to vent their loss. The main reasons that people leave feedback, or so it appears, are because they lost and are pissed. Either they are sore losers or the victor ...
I think that economically, the US won't be it. Military wise, I place my eggs in the US's basket (Being military myself, I have to), Population is, hands down, China. It is a toss up for what you consider the "Strongest." Overall, I would say... US all the way!!!
Common sense, but when playing Freestlye Real Time, make sure... I repeat MAKE SURE your internet connection is at 100%, or you can kiss your chances of winning good bye, lik a fart in the wind.