My thinking is the Colts thought they were practicing against their 3rd stringers since that's basically the way the Texans were playing.
Or maybe they were confused and thought pro football was under the BCS system as are the colleges.
These guys are pros. They'll forget about it until they play them next time and maybe the situation will be reversed. If they are still worrying about it today the Packers will come in here and score at will also.