User blog comment:MakeShift/Changes to this wiki's main page/@comment-63.88.62.157-20140613231120/@comment-5644737-20140614214815

@Wraiyf - JSYK, most people aren't very knowledgeable about wikias at first, especially if the user doesn't even have an account yet. So really, newcomers knowing nothing about how wikis operate probably wouldn't expect spoilers to see spoilers.

There's a good article on Wikipedia regarding this; I'd suggest you check it out. wikipedia:W:DBN :)