Perhaps, but you still need to account for Denver. Even if KC beats Denver next time around... if both teams end up 12-4 Denver would take the tiebreaker due to a better conference record. To take the division, they would need Denver to lose one more game than they do the rest of the way. And while Denver is struggling right now, KC hasn't been much better. They played equally poorly to Denver's StL loss in Buffalo, only to get several lucky breaks that Denver didn't, and then they just barely sneaked past a struggling Seattle team in Arrowhead.
When you factor in how well all the teams are playing, and the fact that even if KC and NE end up tied, it wouldn't matter because Denver would win the ACFW, it leads to there being a trivial chance of KC taking the top seed. You may not like the use of that word, but it's applicable in this case. And it doesn't mean it can't happen, just that it isn't likely, which we seem to agree on.