Here's a tell:
The carrier is designed not to interfere with the pistol's sights or under-barrel rail, which may carry a torch or laser sight.
Suggests to me that the thinking is of British origin.
What more needs to be said?
I saw that announced/advertised a couple of years ago, and my first thought, even then, was that it was one of those venture-capital scams, where you sucker naïve investors in and pay yourself a big salary "developing" the shiny new product.
Then you sneak off into the foggy night.
Maybe their first venture capitalist got wise and now they're looking for new suckers. Should be easy. The sucker birth rate in California is much higher than only one a minute.
Terry