Feature comparison of file systems -- no other file system has all the features of ReiserFS or Reiser4:
https://en.wikipedia.org/w/index.php?title=Comparison_of_fil...
https://en.wikipedia.org/w/index.php?title=Comparison_of_fil...
I don't think it makes sense to change the name, but it's rude and vulgar to deliberately link to an old version of a page that makes fun of someone's murder.
Given your comment "no other file system has all the features of ReiserFS or Reiser4", I am guessing it is a crude and disgusting "joke".
diff between the page you linked and the current version: https://en.wikipedia.org/w/index.php?title=Comparison_of_fil...
Edit: Oh, that's an old version. My mistake.