Actually, he's probably telling the truth there. I'll bet all he ever sees are quarterly financial statements from the accountants and attorneys who manage his trusts, and he probably just skims those. He could probably care less what stocks and corporations his money's coming from, as long as the bar tabs keep getting paid.
When Kennedy bought property a block from the from the Capitol building, he got longtime friend and ally Washington Mayor Marion Berry to waive the minority bid construction clause.
He's not nearly as inactive about his investments as he'd leave you to believe.