Well, he did catch it in his personal mass-spreader tennis event back in 2020. And he is on record stating that a focused mind can purify polluted water, so he might have thought he had a faith based exemption. He is also apparently not very good with paper work. I’d cut him some slack on the last point if he had been some 17 year old prodigy finding himself suddenly thrown onto the world stage, but that excuse ran out a rather long time ago. But he may just have turned into enough of a national hero and martyr that Serbian police may choose not to pursue him over his domestic quarantine (or isolation?) infractions.