He's still there. When the camera changes, you can see the sleeve of his jacket if you look at the left side of the frame, just above Hillary's elbow.
Anons have been given tasks over this past year (think #ReleaseTheMemo, Ray Chandler IG) and right now our most important task is getting voters to go to the polls. Not just our task, but all Americans. One would rightly question why you are here if you think it's bullshit.