Based on this email discussion there are a number of factual issues:
1. Though there is a page on Meta about WMF global bans, it includes no
explanation of the procedure that is followed by WMF employees. More about
this has been said by informal email and published here. A key benefit of
setting
Some additional links:
Compare total editors per project (deduplicated)
Caveat: only exists for active editors (5+ per month), not for very active
editors (100+ edits per month)
https://stats.wikimedia.org/EN/ProjectTrendsEditors.html
Here is a table with total monthly editors for all Wikimedia