1) The document discusses making web applications accessible to users with JavaScript disabled or who are using older browsers/mobile devices (1.0 users). 2) It provides examples of problems that can arise if a site requires JavaScript, like not being able to add an event on a site that uses JavaScript for that functionality. 3) The document suggests coding sites like it was 1999 by following web standards and building a functional site without JavaScript, then enhancing it with JavaScript if available rather than requiring it.