I very strongly disagree with this, but I know on HN this makes me an absurd fool with no data to back myself up with. Ya know, on my myers briggs[1] test that took last year, and also about 20+ yrs ago when I was in highschool the results were the same. I have a strong sense of spiritualness and connectedness. I'll link this blog[2] but I suspect its contents will be dismissed around here as unscientific baseless nonsense. Not trying to change anyone's mind here, just showing how I feel. Maybe some readers will better understand the other people in the world, like myself, who don't think like vulcans[3].
1. http://en.wikipedia.org/wiki/Myers-Briggs_Type_Indicator
2. https://findingourwayhomeblog.wordpress.com/tag/myers-briggs...
As for spirituality, if it is how you feel, it's nothing wrong. The way human body functions is not a matter of agreement between people anyway.
Also being reasonable and logical doesn't automatically make you emotionless.
If it turns out that the engineer's solution works better, well, a) it's up to the rest to come up with a better solution, and b) I can't blame the engineer for coming up with an engineering solution. I actually find it refreshing that they are working on that instead of Adwords/Zynga/NSA stuff.
And of course, this bra/bracelet thingy doesn't rule out the alternatives. If you don't like the engineering approach, feel free to try anything else on the list.