As mentioned above, Bullard did say QE is a more direct, and preferable way, for the Fed to act (given nominal rates in the zero range and forward guidance as the other major tool), but said he sees asset purchases affecting labor markets in the same way as interest rate moves.
Unlike other sports, whose increasingly high ticket prices provide a barrier for many people and which result in a narrower range of spectators, racing lets its patrons in the door for a nominal fee and then lets them decide how much they want to spend to support the sport, in the form of how much they wager.