The girl drama, and Sylvie's inability to get herself out of it, is very realistic. Many young girls get involved with this kind of fighting with friends, and books like this are helpful in showing them how to deal with these kinds of issues.
The multiculturalism is nice, and is shown in the illustrations. Miranda (who is of Asian descent) is a science geek, which verges on stereotypical, but Max, an African American boy is as well.
It's hard to find books with girls in sports, so this was great. Fans of Alex Morgan's soccer books, or girls who can handle a longer book than the Jake Maddox sports stories, will find Mean Girl Meltdown to be full of details about hockey and sportsmanship.