Yes, the world is a big and poor place. But in the United States where (like other developed nations of course) people have the financial means to choose, the majority of phones sold are smartphones. And T9 is generally looked at like rotary dial.
http://blog.nielsen.com/nielsenwire/online_mobile/40-percent...
Nonsense. For stats, look at that Pew poll linked in the CNN article alongside this comment. For anecdotal evidence, look at the free/sub-$50 phones offered by all major carriers with a new contract. They are almost all smartphones. It's cheaper up front to get a smartphone now than the alternative.