Matters of debate between rabbis included how to implement the commands. Contrast later Rabbis words, "How far should you go in admonishing people? Rav said: Until they beat you up for reprimanding them (Arachin 16b)…I might think that you should admonish him even if his face turned white for shame for being humiliated publicly…" (cited by Avraham Yaakov Finkel in The Torah Revealed, p. 182).
Jesus suggests a reasonable format to typically handle conflict. This is another fence. If you follow this procedure, you are unlikely to violate the command of becoming bitter or failing to confront your neighbor.