I think this is a good point. In addition to not "shutting down the assembly line" it's important to set the proper direction. Many interruptions come from po

I think this is a good point. In addition to not "shutting down the assembly line" it's important to set the proper direction. Many interruptions come from poor planning. "Stop doing that, do this," frequently is the result of not thinking through things to begin with. Though I like your analogy, most programmers I know would rather say, "Don't interrupt Picasso" rather than "Don't stop the Lexus factory" :-)