Timo Tijhof, 14/11/2015 01:38:
StackOverflow's recent blog post about renaming their organisation does make an interesting claim though.
https://blog.stackoverflow.com/2015/09/were-changing-our-name-back-to-stack-...
The [Stack Exchange] network as a whole has more monthly 5-time
posters than English Wikipedia has 5-time monthly editors.
Yes, that's the explanation given in the question I linked: http://meta.stackexchange.com/a/269344/248268 See there for open questions on how this number was calculated.
Nemo