Parents object to the fact that Harry Potter glorifies witchcraft to young, impressionable minds. Rowling presents a perverse, Godless world order that looks to be lots of fun.
I better not have them read the children's series by C.S. Lewis, The Chronicles of Narina. They sound similar (in some ways) to these Harry Potter books.
In the The Lion, the Witch and the Wardrobe, four children—Peter, Susan, Edmund, and Lucy—go to stay with a reclusive old professor in a mysterious country house. While playing a game, Lucy, the youngest, hides in a wardrobe and discovers that it leads to a magical world called Narnia. This land, which is inhabited by talking animals, is ruled by the lion Aslan, a good and powerful king. Narnia, however, had come under the spell of the evil White Witch, who had caused it to be always winter but never Christmas there.
Sounds like my kids are going to turn to the dark side when they read these in several years.
Bingo. Operative word being "evil." C.S. Lewis knew what he was doing. The Chronicles are wonderful adventures, a cautionary tale of the nether world.
H.P. portrays witchcraft in a positive light, encouraging kids to follow a path away from God, towards mysticism.
Like I said, read them for yourself.