Actually, I don't usually even notice usernames/names around here, with rare exceptions (frequent commentators whose names are so frequently displayed that I can't help but remember other posts). Lemmy is more content-oriented than person-oriented (and that should always be desirable). I'm not sure about you all: to me, it doesn't even matter who posted something, it only matters what is posted.
Therefore, it shouldn't matter if their nickname is "Anonymous2666", "following_the_hurried_rabbit", "Alice (they/them)" or KYC'd/Facebook'd real profiles such as "Alice Doe Merrymary Hogwarts, Wendy's Local Franchise Manager and Independent Romance/Fiction Writer from 27 Lots-Of-Honking-Flying-Cars Ave, Midtown Austin, TX": it's their content what matters the most.