PS. It seems i cannot link to the discussions hosted on musicbrainz, but perhaps it is better that way…
Here is the documentation arising our discordance however: https://musicbrainz.org/doc/Style/Artist#Performance_names_and_legal_names
(i see, litigation has a very strong meaning in english, sorry about that… it’s just that we cannot agree on the documentation really 
changed it for “discordance”)