
Not invisible, but mandatorily ignorable in practice.
I must be such a white guy who does not focus on people who mentali are looking to get attention. Weird hair cuts, nose clips, guys with ear attachments, etc.
Alex
"There is a cult of ignorance in the United States, and there has always been. The strain of anti-intellectualism has been a constant thread winding its way through our political and cultural life, nurtured by the false notion that democracy means that "my ignorance is just as good as your knowledge."
-- Isaac Asimov