If I was to take a consequentialist point of view, but also use common sense, such a devise would likely lead to a capitalistic fascism of the likes of an Ultra-China. Who needs cameras? - just put a mind-reader 2000 on every block and monitor your populations every thought.

It is ironic, on the above post I take a pure-empathy devise would positively transform the world - which I agree with. However, as soon as you remove both consent and reduce the thought / experience to just information, not shared sensation of understanding, it quickly devolves for malicious usage.