Why did this author do a 180 in her stance against whitewashing?

Reblogged from The Fangirl:

"Veronica Roth once vowed to fight whitewashing in any Hollywood adaptations of Divergent, but now she’s gone back on that promise."

 

 

Source: http://www.dailydot.com/fandom/veronica-roth-divergent-whitewashing-casting-hollywood