Have you ever watched someone USE those COBOL TUIs? Everyone from airline ticket agents, to local governments, to folks at Home Depot while looking up inventory. They could fly through menus and accomplish things. I remember when Best Buy switched to a Windows-based experience. It was terrible. Simply adding a mouse+windowing experience slowed everything way down. I saw it first hand at Target too. They went from an OS/2-based TUI to Windows NT. I know there'll always be those folks that think we're all just trying to play "leet Haxorz", but there's just something about those systems that people deeply connected with.