Talk provoking

The Godin says: We would never settle for mechanical devices that work as poorly as our language does. Or do we? Can you think of machines that work as poorly as our language does? I can think of quite a few. On second thoughts, I can't. In other words, if you're writing to sell, make sure it's not ambiguous. Selling is a kind of instruction manual and you'd never follow instructions that were ambiguously worded. Unless it's your boss barking them.