I have no idea what people are expecting from werewolves.
Personally I have absolutely no interest in werewolves at all. Moreover I don't think they could offer any interesting game play.
So far I haven't read anything besides "I want werewolves cause they are cool".
What do people want to do with them?
Running through the woods? Howling at the moon? Sounds quite boring imo.
Playing a dangerous creature attacking other sims? This game is targeted at 13 years old girls so better don't expect something like that.
So what's left besides a maybe cool looking transformation? In my opinion werewolves simply don't have enough game play value to justify their own pack. They should be part of a Supernatural pack imo.
Talking about robots I'm just wondering why they are on this list at all. They aren't even supernatural, they are machines.
Maybe they could indeed offer enough game play for their own pack but that could be a future-themed pack as well cause they are simply not a supernatural lifestate.
Genies? Imaginary Friends? They could be fun once or twice but there's no way they could fill a pack on their own. Let's be honest.
The only supernaturals on this list that have the potential to justify their own pack are mermaids and fairies. But personally I doubt we will ever get another supernatural lifestate pack after witches. A general Supernatural pack including several lifestates is probabaly the only chance for them to ever make it into the game.