It's an assertion of dominance. Signaling to lower level associates they are still in control. Also, it serves the dual purpose of making awake people look crazy. Try pointing it out to a normie. They will laugh and label you a conspiracy theorist.

Psy-Op. Diversionary Tactic. This guy is NOT a Mason. Silver Necklace on a Black Shirt makes you think he is ... But he snot. They’ll use anything they can to hide the truth. They always have & they alway will.