It is probably a prototype system. That said, this is the way you make progress: you build something, and see if it performs well enough, meeting people’s needs.

Andrew Ng had a great demo of detecting one voice in a party environment in one of his old classes. It was a matlab/octave one-liner.

Here in the US, we have had some fine successes by organizations like DARPA ‘going long’ and taking funding risks. Now the Chinese are doing the same.