We have to use this generic username instead of more identifiable one exactly because of the fear of retaliation, which by now thanks to the blog author and so on, seems really like a pattern instead of isolated incident. If we participate on other topics apart from Wikipedia there's the risk of people using what we've frequently posted to try to deanonymize us.

it_depends_man ultimately has a fair point while another probable WMF staffer kubofhromoslav just weighed in here echoing the concerns.