Earlier quoted context omitted.
Exactly. With Linux, the user has to actually click on the update icon, click a button to start the updates, then type in their password. For most users, that's just *way* too hard to do, so it never gets done. With Windows, it'll force updates on you at some point, so Grandma will be updated whether she wants to or not, even if she's in the middle of something. Users like that *need* this.
Not on Ubuntu, it prompts you when updates are available.
That's *way* too hard for many users. If it isn't done completely invisibly in the background, or completely forced on the user, then it just won't get done.