I was browsing around today much more in depth with Wikimedia's entire project "catalog"

where I noticed the bullet:

• For a tabular view of projects, see Table of Wikimedia projects (by size), or the automatically updated Special:SiteMatrix

and clicked on that automatically generated page https://meta.wikimedia.org/wiki/Special:SiteMatrix that I think could use some more help text?

I tried to send an email and subscribe to the wikimediameta-l@lists.wikimedia.org but it says I'm banned.  So posting here for someone to pick up the task.