<p>There are often ‘outlier’ reviews from people complaining about professors, but you can sort of tell who the sour grapes posters are. As someone said above, the more reviews the better the reliability will be, and you can learn a lot from the comments. It isn’t perfect, but it is a whole lot better than nothing!</p>
<p>And yes, to answer part of your original question, the chili pepper is about physical attractiveness. Which will probably matter more to some site users than others…</p>