Why don't such devices use a more interference-resistant protocol like bluetooth?

Obviously not BT alone. But it's still a big step up from ...that..., which can be hacked accidentally by a store security system.

reading the article: "I had no symptoms until I walked into that Best Buy"

What else would a Faraday hoodie make you capable of? Avoiding electric shock?

especially shit because in Germany, those theft alarms are usually ignored :/

Agreed, sometimes the shitposts go too far.

Why the hell is his implant not shielded?