Gabriel, as you so rightly said, the "fake" comments are easy to spot - and hence ignore. Almost everyone agrees that the comments tend to be accurate in general. So therefore it's a useful site.
Each to their own I guess Extopia. My point was how would you be able to tell if you didn't know the teacher in question first???
The 'he's a bad teacher' comments could just as easily have been from some kid who held a grudge and he might be a brilliant teacher. How would you know?
When it comes to it I'll put my trust in my kids and not some very unreliable website.