Many students (and some test-prep companies) like to trash the SAT for its shoddy, ambiguous questions. For such students, I suppose, complaining is a way of coping with their own stress and imperfect performance. It's easier to cope with missing a question if you can convince yourself that it was unfair. In point of fact, though, truly problematic questions on the SAT are extremely rare. Every once and a while, it does happen.
If you are a high school student studying for one of the big standardized tests (the SAT or the ACT), or if you are the parent of such a student, I have one important piece of advice for you: don't waste your money on commercial test prep books, especially when it comes to the material for writing.