Prince Andrew has been held accountable, at least to some degree, by the Queen herself. He has been removed from public duties and his standing is diminished both within the Royal Family and with the general public.
As you say, President Clinton has been very quiet. He is getting older, though, and I think he is slowing down. On the rare times I’ve seen him speak he seems to struggle.
Moreover, Monica Lewinsky was kinda re-discovered during the whole #MeToo era- she was the butt of countless jokes for many years but more recently is being seen as a victim of Bill Clinton’s. Nothing is gonna happen to Clinton per se but it tarnishes his legacy which at this stage of his life would be a pretty big deal to him.