elrond did try to stop him he yelled at him HEHE although I was confused to I mean elves remind me of vulcans(go with me on this) logical fairly unemotional Elrondshould have done more however had he stopped Isuldur how would we have learned about Sam and Frodo's jol;ly adventure through Mordor? Of course Elrond couldn't sop Isuldur because then neither the Hobbit nor LOTR would have taken place
