<p>132 comments isn't necessarily a "good statistical sampling", because of the bias issue people have identified (the students who comment will tend to be students with strong feelings one way or another; the "average" student could theoretically have a completely different perspective). </p>
<p>So, take it for what it is: an un-random set of comments from people with strong feelings. That doesn't make it useless at all -- just something to be taken with a grain of salt.</p>