As one of the "resident fluffers", I would not use one of these. Yes, I do use a wrist support and yes, I used to use an adjustable wrist support, however, a device that actually mechanically alters your hand position during release is a bit over the top and I would not use one. I would also be interested to see how much one of these costs. Look for something over $150.00 IMHO.
A device that keeps the wrist static is not such a bad thing, especially for old farts like me (can I say farts?), but I don't believe there is a need for such a device, especially in todays environment with the high performance bowling balls available.