That's hardly something to brush aside though...probably enough to result in a biopassport ban these days. But it's true there is probably little they have to hang Dekker on, then again, that guy might as well be invisible these days, can't remember the last time I saw an interview with him.
Anyway, concerning Boogerd, although he hasn't been officially punished, he got a mountain of s**t on his head after his confession, that was somewhat out of free will, the Belgians had had a lot of time to proscecute him. If you haven't done anything after 18 months, I think it's fair to let it go, they had enough time to do something if they wanted.