Yes, bask in the knowledge that a "crappy" law has been used to punish a man whose major crimes are ignored. As no other attempts at punishing him for playing hide-the-sausage with high school wrestlers, this is at least something.
And Al Capone was caught on tax charges, never mind how many deaths he was ultimately accountable for. Sometimes, you prosecute the thing for which you've got the evidence, not the thing that you'd most like to see him prosecuted for.