what was the purpose of this interview?
that aint an interview, its a deposition, so that the defendant (Quincy Jones III) can gain info before trial.
"Quincy Jones III scheduled a production team to follow Lil Wayne around for several months in an effort to accurately chronicle his daily life as he completed Tha Carter III, a new album. Although the rapper was initially on board with the filming, he allegedly hated the movie and went so far as to call it a “scandalous” portrayal, according to TMZ."
Read more at http://www.inquisitr.com/342872/lil-wayne-lawsuit-deposition-against-quincy-jones-iii-video/#Ge6zP4VwGsfLRMvZ.99
So Wayne is suing Jones over the film