I don't think anyone is saying that cheating is ok. Whatever systems are in place there will still be those that try to circumvent those. However, I believe that the majority of cyclists go into the sport wanting to compete clean. There are many reasons that they may be tempted to dope. I'd say one of the most important ones is that they feel everyone else is , so need to in order to stay competitive. The BP is important in this regard. Sure cyclists can still cheat the system, but it's only incremental gains not the rampant abuse of the 90s. Now of course, no-one really knows who is on what. regardless of whether Sky's success was fair or foul, if other teams think they're on something there will be catch up. And that is why there needs to be more transparency for the good of the sport.