In addition to Alito having no certainty about how Roberts would vote in the end, it turned out to be the case that Roberts didn't vote to overturn Roe at all (

In addition to Alito having no certainty about how Roberts would vote in the end, it turned out to be the case that Roberts didn't vote to overturn Roe at all (much like more than a few, well-informed Court observers guessed that he would). If Roberts was the "target" of the leak it was definitely a "reckless gamble."