Let's not forget that Khosla himself does not exactly care about public interest or existing laws https://www.google.com/amp/s/www.nytimes.com/2018/10/01/tech...
But I think it's not so morally wrong that OpenAI should not do business with him since they have the security mechanisms and limit his power. He just an grumpy old guy who does not want to share his beach.
Not his beach. That's the point.