He's signaling to his alien overlords. Also common in people trying to hold up a butt plug in public.
Looks suspiciously amphetamine-related...
Its the hair spray
JOELOSTEEN is known to blink the appropriate amount for a HUEMANBEING from the planet EARTH. Please RETRACT your implication or face the wrath of our EARTHLAWYERS.
Signed, Other HUEMANBEING s who are definitely not alien cyberneticists who have created a synthetic HUEMANBEING code named JOELOSTEEN
He's like that guy in WWII who blinked SOS in a filmed "statement", only he's blinking "I like diddling little boys and stealing money from saps".