I doubt Arad would make the same mistake in two separate interviews about 10 years apart from each other.
Live-Action rights, Cartoon rights and Videogame rights are all managed differently.
Okay, then how do you know that Sony has the TV rights to Kingpin, rather then just the film rights?
I can easily see Arad making that mistake, he could just be making an assumption and simply be incorrect. Really in that interview, he only gave his opinion, he never backed up with any evidence.
Any clue when that would be? It certainly would put some doubts to rest although I imagine people would reason that he was being saved for the second season or something just to have hope to hold onto.
Unless I was on the production team, there is no way I could know when the casting sheets will be released to the general public. However I do think Marvel would have gotten the rights to Kingpin, before making series, it seems like a Daredevil series without Kingpin has a huge gap in terms of its mythos.
Do we really know that they are going the crime noir route for this, for all we know it might resemble Waid's run more than Millers.
Ultimately if they can't use Kingpin I rather they just use another popular storyline instead of making things messy but substituting characters.
The Waid run has stories that wouldn't work on a TV budget, like the Klaw and Spot story lines (and features characters they may not have the rights to like Mole man and Dr. Doom) and plays into decades of Marvel continuity and really works as a contrast to DD's darker stories, rather then a starting point for DD.
DD's identity being public knowledge is a major part of Waid's stories and that goes back to Bendis' run, which goes back to when Kingpin discovered DD's identity back in Born Again. Mole Man and Klaw are familiar to comic book fans, but having these guys show up out of the blue in a TV series wouldn't work the same way. Waid's run runs on Marvel continuity, which a TV show cannot do.
I mean how would you do Waid's run as a self contained series that works within a TV budget?
Plus I think ignoring some of the best Daredevil stories would be a huge mistake. Smaller, more off beat, self contained stories work better for TV, rather then more fantastical over the top stories that depend on decades of continuity.