I suggest that you encourage the work of good and proactive local translators, without whom your product would have no national diffusion.
An example is Michele Rodaro, an expert Firefox translator who also experimented with Thunderbird articles and proposed an unpublished one: https://support.mozilla.org/en-US/forums/knowledge-base-articles/714378? last=79312 without any feedback from you.
Otherwise, the talents risk eluding…
