"Will change the way you work."

With RIA des/dev being a deservedly hot topic, I have read developers claiming that their apps will "Change the way you work.". My thought on this is along the lines that changing the way our clients work should not be the goal when designing/developing an application. The point should be to create an application that is flexible enough to adapt to the way the client works, not the other way around.

Most people have developed their own style of working that, well, works for them. While we should surely strive to create tools that help them make the tasks at hand easier and/or more efficient, if the solution created attempts to make them totally change the way they are accustomed to working, more than likely, it will simply be an application that gets shelved. This in and of itself is an extreme failure in usability.

To put in in perspective, how would most designers/developers feel if their next client said, "For this one, I want you to forget about the normal workflow you have developed for projects and instead do it the way I tell you."