Why is it shit? Sounds like having your body power the electronics of your gear which isn’t insane. It’s technically difficult to get a lot of energy out but out of hand it’s not crazy. And phase ii sounds like they’ve met the previous milestone and are proposing the next iteration.
I'm curious about the usability of the clothing. Who wants to wear clothes that actively cool you when you're in a cold environment, or heat you when you're in a hot environment?