The bigwigs with their big salaries actually make the company poor. They in turn take this money to buy another BMW, or hire an illegal to do the cleaning and cooking in their estate.
Suggested reading:
http://www.realclearpolitics.com/articles/2007/02/leave_the_ceos_alone.html
http://www.ncpa.org/sub/dpd/index.php?Article_ID=3371
http://papers.ssrn.com/sol3/papers.cfm?abstract_id=901826