We made a conscious decision to keep the Reform Cards as public links-- although we currently do not actually send the links to anyone but the punished player.
The whole point of the Tribunal is to empower the community, and by allowing these pages to be distributed publicly, the PB&J team believes that we're given the community a better tool for discussion and debate as well as giving players more information about their own behavior.
That said, privacy is a big concern, and you'll notice that we now remove all user information (like summoner names) from the page. We wouldn't want these pages to be used as a gateway for people to harass the summoners on the case, for example.
Like Lyte (our team's designer) is always mentioning, we're watching carefully for the results of these changes, so we can continue to make the system more effective. If we need to make some adjustments, we will