No one really cares, in the grand scheme, that he had affairs. He's being ousted because he potentially compromised national objectives. The NVDA board knows that senate hearings are coming, and want to make sure they have distanced the company from him before that happens (and all the text messages, emails, and details come to light).

The biggest questions are:

1. Did Jensen knowingly compromise national security (criminal implications) 2. What is the fallout / impact in the AI arms race