No I don't particularly agree with your point of view. Hundreds if not thousands of successful business executives include their younger adult age family in daily business. I, like the majority of us commenting, see this is a complete non issue.
You trying to compare board room attendance during a draft to allowing your grandchildren to perform brain surgery is comical, at best. Then when called out on that you shift it to being about his son, when clearly the topic was the grandchildren is a red herring.
Combative? Do you often take disagreements to mean combat? Is only your opinion valid? Should I just changed mine to meet yours, would that validate you?