Many jurisdictions recognize pen names & other aliases which a username is & could also be put in the document. Many might prefer not inserting their real name into things by default & if that privacy is desired as default, all the more reason to skip the real name.
Many jurisdictions recognize pen names & other aliases which a username is & could also be put in the document. Many might prefer not inserting their real name into things by default & if that privacy is desired as default, all the more reason to skip the real name.