It's primarily intended for Essential Tremor, and actually most people don't elect to get DBS, and most don't qualify. Brain surgery is a risky procedure, and most individuals at 60+ have complicating factors that disqualify them from DBS. That's why so few operations have been done relative to the patient population size.
The device isn't a "hack", but a non-invasive way to deal with the problem.
The device isn't a "hack", but a non-invasive way to deal with the problem.