Auto-translated
4. for two-year-old simpletons
5. for those who don't mind wasting their time
6. for people who fell for the advertisement
7. for incorrigible optimists
and I will still answer your question, Jay Dee, elves are much more mainstream than dragons, as they appear in almost every game and book, while dragons, although frequent, are not essential.
just try to delete this post, and I'll be offended. It's on topic, strangely enough. It's an opinion about the movie.
elves are actually small dwarves in hats who help Santa pack presents.