This system simply collects data, its the analysis that ties into emotional cues such as anxiety, fear, 'I wanna peanut butter and jelly sandwich', etc.
The technology seems like a few steps up from monitoring a heartbeat, body temperature, etc. which I think is already under development by the military which has great, practical use in a combat theater.
It's unfortunate that the focus on this article only deals with the military. Mental health professionals could use this to coach patients to improve their self-awareness stressful situations. Understanding the problem is the first step.
I picture a dialog like this:
'How did my body react when I saw my dad?'
'Your response indicates anxiety...'