Getting the Same PS3 Game Reviews

Getting PS3 game reviews seem like watching Fox network; they all have their agenda. I'm not sure if it is possible to get an unbiased review on most of the soon to be released games. Naturally the only people allowed to write reviews on soon to be released games are those people given permission by the producing game studio. What does that mean? Only the people that the game studio believe will write exactly they want to write will be allowed to review the game. It doesn't sound like a free-press type of a situation, does it?