I don't know, maybe because Arkane is a french studio or something else ^^ .
The thing is, according to the articles you shown, it was Bethesda France, the publishers, who took the decision for it,
so it ain't about Arkane but about Bethesda

It still angers me. DonRohde, let's go Call of Duty on France! And remember.. No russian!.. I mean.. uuh.. No danish!