It failed because they did it exactly in reverse of how it should have been done. First they assembled the team, then they outlined the product then marketing a

It failed because they did it exactly in reverse of how it should have been done. First they assembled the team, then they outlined the product then marketing and then only then they realized nobody would pay for that. You're supposed to first sell your product and then build it! I wonder whether anyone raised this issue in the early stage...