This follows Amazon pulling several AI generated anime dubs after backlash, and possibly also because they neglected to clear AI dubbing with the actual rightsholders before going ahead with it.
https://www.animenewsnetwork.com/news/2025-12-03/amazon-stre...
I don't get it -- software performs at human levels for translation. Do you (and should you) need permissions to do a translation of a show for the audience?