Nobody cares? It is not against the rules?
Everybody could see that these account are connected and abuse the system.
It is definitely against the rules and you should be making it easier for the DT/Mods to take care of such accounts by reporting them at a place where a mod is more active.Post them here
https://bitcointalk.org/index.php?topic=2645450.msg26946665#msg26946665 and I shall update the list for mprep to ban/temp-ban them.