It also does harm to the communities of smaller Wikipedias:
'a user from the Tumbuka Wikipedia reported that they had initially felt "hope and joy that a small community had then gained another native editor", before finding out that this account had been a promotional sockpuppet.'
'a user from the Tumbuka Wikipedia reported that they had initially felt "hope and joy that a small community had then gained another native editor", before finding out that this account had been a promotional sockpuppet.'