Law firms often charge by the hour, right? If my law firm switches to Linux, would they bill me more hours if they run into technical issues?
Nothing like paying a $500/hr lawyer for debugging a Word table (how can I center text in a table?) or an autonumbered nested list.
Not to mention trying to figure out why a whole section doesn't appear in the ToC because "Update Table of Contents" only changed page numbers (Styles weren't used for that section).