Chris Lüer wrote:
Don't forget the accounts which exist to prevent impersonation in one's main language - names with capital I's to mimic L's and Cyrillic characters. Deleting these would just open things up for abuse again.
Is there are a reason why user names with weird Unicode characters are even allowed? It would seem sensible to limit user names on each Wikipedia to the alphabet that is used in that language.
Well, some people have real names with weird unicode letters, Chris Lüer. ;-)