I stumbled onto Clark-7006 which stumped me for a bit. After scratching my head for a few minutes I did a search for profiles with the word "children" in the first name slot. The result came back with 189 profiles fitting the criteria. The search engine only allows you to see the first 100, but that was plenty.
Most aren't too bad, but "Aelia Pulcheria (stepmother w/o children; took vow of chastity)" whose last name is given as "The_Eastern_Roman_Empire-1" seems extreme . . . . and this practice carries on for her entire family. {as this involves pre-1700 royalty maybe it needs a specialist to look at it?}
I also found 47 instances where the LNAB contains variations of short phrases with the word "children" rather than a name (only one instance of Children as a proper LNAB).
I guess 236 instances of this isn't too bad considering the size of the WikiTree, but it shouldn't be ignored either. Some of the profiles shouldn't be too hard to fix (Mrs. Eastern_Roman_Empire for example), but many of the other first name oddities give me a bit of a pause. They cannot be fixed by merging as they supposedly indentify multiple children without names, let alone any documentation. I know that it is policy that profiles should never be removed once created, but maybe this is an excepton?
Would it be possible to set up the proper first name and last name at birth fields so that they will not allow phrases or multiple words to be entered? I don't know of any reason to allow an underscore in either the first or last name at birth fields, such as The_Eastern_Roman_Empire's.