Indeed. Amit Singhal was allegedly fired for sexual harassment after 18 years at Google. I don't believe someone starts harassing women after almost two decades. But as the head of Search, and a guy who rewrote Google's search engine from scratch back in the day... he was almost certainly protected a long time. And even when he was fired, he got to "retire".

I presume he was too mission critical to get rid of as long as they could keep it quiet.