In case you haven't seen it, here is the letter PETA has sent out in conjunction to the sting on the Steve Asmussen stable at Churchill Downs and Saratoga Racetrack. For PETA, it is a rather tame letter, their main goal is the passage of the Horse Racing Integrity and Safety Act of 2013. Only at the end of the letter does PETA suggest people decide if they wish to patronize horse racing.
While the long term desire of PETA is to outlaw horse racing (something I don't support), I support the passage of the Horse Racing Integrity and Safety Act. It is clear that racing has been unable to prevent the abuse of medication when it comes to race horses nor is it able to rid the respective breeds of those trainers who continue to flaunt the rules. With policing by the U.S. Anti-doping agency, the cheats will be assured of long suspensions and being banned from horse racing for subsequent violations. As long as the cheats are able to continue to game the existing system, the safety of both horses and participants remain at risk and leaves horse racing with a bad feeling for the betting and general public.