I found that few people have the imagination to play both sides of their characters. They always try to be human mode or fairy mode, but that’s not how it works and it’s really hard to always think of your characters as being and doing both simultaneously. It’s a great game for the imaginative, but probably hell for a lot of other players. It does lend itself to LARP really well though. We did a huge live action game for a few summers with like 40 people and 3 GMs, it was tons of fun.