The "Call" isn't an invitation to be savage; it is an invitation to be authentic. In the final act, when Buck eventually leaves the world of men behind to lead a wolf pack, it isn't a betrayal of his human friends. It is a homecoming.
One of the most notable aspects of the 2020 film is that Buck is entirely CGI, rather than a real dog. While some viewers initially found this jarring, the technology allows Buck to show incredible emotional range and perform complex feats that a real dog could not. The.Call.Of.The.Wild.2020.720p.Vegamovies.to.mkv