Debates over technology, technique, and process often go nowhere because the participants are arguing from different levels of aspiration.
You’re unlikely to convince someone they should switch to programming Ruby for its beauty, if they’re merely looking to make a living as a single consultant serving local businesses in Schaumburg, Illinois.
Questions such as “does this run on my existing web host?” or “will my clients want something their nephew web designer hasn’t even heard of?” matter far more. Their aspirations are local, finding something that (sorta) works, and getting paid.
Another interesting article from the SVN guys over at 37 Signals.