At a certain point, one has to stop caring whether “Tekken” makes any sense and just go with the flow. That thought came across my mind as I watched Brian Cox from “Succession” narrate a catchup video on the current state of the saga. The nearly 30-year-old franchise boils down to absurd Mishima family disputes in which father and son fight each other and toss the loser off a cliff. That doesn’t necessarily mean they kill each other because just like any soap opera no one traditionally dies in “Tekken.” They just come back angrier, more ruthless and perhaps with new abilities. A destructive fa…