For the record, the following was posted to the PM3B an hour ago:
Dear readers,Null's observation is consistent with what we've seen at the PMMB in previous months of activity.
I am voluntarily closing PM3B today. This has taken too much time away from other important projects.
I leave you with the following remark.
It will be helpful in future discussions of online polarization to note that, at least in the case of PM3B, a single individual, active day and night, was responsible for the vast majority of comments critical of feminist philosophers and practices supportive of women philosophers.