Charlie is fumbling pretty hard but you're aware of that.
I do feel a little pinged by Ultra's responses to your questioning so far, but I wouldn't say he's scum for sure yet.
As for the early Flower vote train, the people joining later have a decent chance of being opportunistic scum, so we could look into that.
Broki's flirting is unironically giving me bad vibes, she tends to RP like that when she gets really powerful roles, at least from what I remember.