The question of whether or not kendo should be in the Olympics has been beaten to death and I would recommend you take a look at the threads cited here. In summary, many feel having kendo in the Olympics would cheapen it as it would likely enter a downward spiral and become focused on who hit first and would toss out everything that is required for yukodatotsu. On top of that, we have the World Kendo Championships every three years already so why bring it to a venue where there would invariably be more pressure to win no matter the cost and become even further removed from budo?