Believe me Ive read some of the stuff (and Im related to a few teenagers) so I know exactly how they see the books... It kinda speaks ill of the country that a HS freshman cannot analyze a books themes.You are obviously the best judge of your own kids, but Mugglenet was started by a 12 year old, and while the writing may not meet professional standards, it's more intelligent and more literate than most of the stuff posted on FR.
Really... because I went on Mugglenet to read their reactions. And 99.9% are OMIGOD Harry and Ginny forever! Squee!!!