I found some articles with interesting quotes from Avellone.
http://www.gamebanshee.com/intervie<wbr style="color: rgb(0, 0, 0); font-family: arial, helvetica, sans-serif; background-color: rgb(214, 186, 208);">ws/105836-fallout-new-vegas-and-dlc<wbr style="color: rgb(0, 0, 0); font-family: arial, helvetica, sans-serif; background-color: rgb(214, 186, 208);">-post-mortem-interview-part-one.htm<wbr style="color: rgb(0, 0, 0); font-family: arial, helvetica, sans-serif; background-color: rgb(214, 186, 208);">l
Lastly, with regards to the DLCs, I believe Ulysses is correct, a new framework of civilization is the only solution for the Mojave and the Legion and NCR are self-destructive institutions (the Legion is more a slow burn than NCR is) and both should be cleansed with fire. ~ Chris Avellone
http://www.gamebanshee.com/intervie<wbr style="color: rgb(0, 0, 0); font-family: arial, helvetica, sans-serif; background-color: rgb(214, 186, 208);">ws/105885-fallout-new-vegas-and-dlc<wbr style="color: rgb(0, 0, 0); font-family: arial, helvetica, sans-serif; background-color: rgb(214, 186, 208);">-post-mortem-interview-part-two.htm<wbr style="color: rgb(0, 0, 0); font-family: arial, helvetica, sans-serif; background-color: rgb(214, 186, 208);">l
Lastly, I wanted to nuke the Fallout world to reset things. NCR's getting a bit big, and it's making things too civilized. Lonesome Road was a way of resetting the culture clock. ~ Chris Avellone