I think that should be rephrased to: "Did he accomplish his job in such a way as to deserve earning 6 billion over the course of 10 years?" Seeing as he has a

I think that should be rephrased to: "Did he accomplish his job in such a way as to deserve earning 6 billion over the course of 10 years?" Seeing as he has a 9.6% share of the company which he has acquired over the past 10 years as reward I suppose for the job he has done. And then you can ask, did he deserve a 100 million gift on top of the 6 billion.