Any Hollywood insiders know anymore about this backstory?
Here's the link to Smith's 2013 interview about Django:
http://m.ign.com/articles/2013/03/25/why-will-smith-turned-down-django-unchained
A more recent 2015 article says it was more about the violence. But that could be PR damage control?
http://m.ign.com/articles/2015/11/23/will-smith-elaborates-on-turning-down-django-unchained
I don't know. Just guessing here which is why I was hoping an insider could chime in.