The pictures are too small, and at 50cents each- not sure how many people will buy this. Some of the other Polaroid cameras with built in "Zink" printers were close to the older Polaroid Swinger format.
The prints need to be bigger, and cost less for it to be a success. That is a big reason why Instant Print cameras fell out of popularity.
At 20cents per print for a 3x4, that would be a different story.