As long as nobody listens to her, sky can't really be harmful to town, and I don't think we should lynch her just because she's useless. However, we are forced to lynch someone, so I'll vote on her if we have no leads.
To anyone who thinks Dm is trying to get revenge, that is against the rules and not something a good player would do.
Eljoemo, that sounds plausible, but what's your reasoning?