Everyone likes their food seasoned a little differently, so why not use a robot chef to make every dish to order?
Actually, we can think of several reasons why this concept may not be as popular as it's inventor intended.
The most obvious is that most people find it quite difficult to articulate what the like or want. In other words, they know what they like when they see (or taste) it, but can't explain it in words.
Nevertheless, we wish him luck and really hope he can prove us wrong.