Nice hypothetical....but it's not what happened!
The slippery slope argument is fun to throw around: you can use it to prove that anything leads directly to the end of human civilazation. But what we're dealing with in this situation is actually a set of very limited circumstances which seem unlikely to set the sort of broad precedent that you've threatend us with.
His time was 12th on the 10K list--that is always going to get him in. Plus, look at the timeline of what happened "On Saturday when my coach declared me....My coach realized the mistake on Sunday morning at 6 am"
And in addition, the situation you pose supposes that everyone is a lying shit, which quite frankly just isn't true.