User blog comment:Epic~00/How I Think The TDAS Elimination Should've Went/@comment-12502636-20131208113908/@comment-31556666-20131208154521

Because Moon Madness seemed like the perfect opportunity to bring in Dawn. She's a moon-child, she's heavily involved with animals, and Moon Madness tried to bring big surprises.

Plus, it's been incredibly delayed as to when Dawn will interact with Ezekiel. She also could've been a big asset to the Mal storyline.