She's still self-centered and willing to resort to violence to achieve her goals, but perhaps if she learns to think of the full ramifications of her actions in the future, she'll be less willing to act out her plans. She doesn't want to harm ponies needlessly, after all, only willing to do as much harm as she thinks she needs to get what she wants, and justifies it by telling herself that it's for the greater good. Now the question is, can Dawn make Cozy consider that her being on the throne is perhaps not the best for everyone?