They are not seen on the street because those who would wear them generally have more concern for keeping their blood and neural material contained.
No, they aren’t seen on the street because nobody wants them. Nobody wanted them 5 years ago when this same “story” hit. Or 5 year before that, or before that, etc etc all the way through Donahue featuring these stupid things in the 70s. It’s a FAKE STORY and people should stop believing it, be smarter than the reporters think you are.