I think it is a right step forward. My nickname here is pedro. It refers to my affinity for latin america. And it is also linked to me as an enthusiast photo amateur. Once you want me to change it into "Peter Hauri Enthusiast Photo Amateur", just mail me Oh, as long as I keep my posting credits, though...The type of weird user ID's the spammers use are like "#nbhiortn[hysqwuiolv]" Actual ID
No problem with a ID like Pedro, we have contacted only one member and changed their display name for them, since it was a web site .com name intended perhaps to boost their google ratings? We do let people link to their web site in their signature. This is what many spammers try to do, so we watch for that.
Email addresses like firstname.lastname@example.org are a dead giveaway. Even more obvious emails are from email@example.com or firstname.lastname@example.org or
We can block domains that are big offenders, which is why 98% use gmail.
Users can go to their profile and change their display name without affecting their user id. This is simple and easy to do.