Not really, it's based on how ratings average out, comparing the comments people make with the ratings they give, and comparing everyone's opinion, not just my own.
Yes but surely it's your opinion that people rate him higher than he deserves, he is a former Spanish international so it's hardly surprising that he achieves above average ratings most of the time. The ratings may or may not be biased, who knows. The only accurate way is by asking someone who actually knows what they're talking about. Get Gus to post some player ratings