Doping is worldwide problem and I suppose there is very few people who really think anything else. There are plenty of substances and medicines people use because they are no forbidden and the more Anti-doping commission finds the list is lengthening yearly. There are also many athletes who get caught, but they have not won anything big competitions, so "the large audition" does not necessarily hear about them. I found a list of Finnish people who have been trapped on doping. There was plenty of names I have never heard about, and almost every year there is somebody. There are some articles from other countries that the names are not announced because B-sample is not investigated yet. So it is common not to tell names very early. But even small countries like Sweden and Finland has their own cases and people who even have weak possibilities to win national medals have been caught.
I have thought FS is one of the purest sport, but I will not be surprised, if there will be more cases in the future. People use legal methods to improve oxygen uptake, like high place camps. People drink energy drinks and some of those companies is even many athlete's sponsors. I remember when writing my thesis I drank a little bit more of coffee than usual to keep awake. What I am trying to tell is that there is always some else methods beside training people try improve their performance, some are legal, some are not. Some people write age limit to all seniors should be 18 and let people use what they want to. I don't think so, because those things can have lasting effects to health, but age limit of 18 to Olympics in every sport should be something to think about. Some people say it is bad idea because the peak in many sports is when the athlete is younger. Well, maybe, but it does not prevent to compete and if even if peaks are behind, nothing prevents people competing.
Just some overall thoughts.