You guys are also missing something else that makes the backdating timestamps near impossible. Not only would the ZD post have to be backdating, but all surrounding posts would have to be be backdated as well. Take for example the one that was a 14 second delta.
That would mean the Server would have to See POTUS post, fire off the the gamed post, backdate it ~14.5 seconds and then backdate all other exist posts in the vicinity of the backdated post to make sure it is not blatantly out of line. Which would then mean you would have to have the server continually moving previously posted posts backwards to fit the gamed post. This is impossible.