Well, if it gets a camera, then people will want bluetooth, then tactile buttons, then a mic, then speakers, etc, until it really is an iPhone without a cellular connection.
Then buy an Iphone and don´t activate the phone ....cost the same .... has much more features like : camera , speakers etc etc and you get all upgrades for FREEEEEEEEE
Why i never came to THAT idea before
Saludos