This is a link to a very good short article about the utility and necessity of kata training in the sword arts.
It's not a long read but touches on the important points that need to be considered:
http://www.aikidojournal.com/article.php?articleID=622
It's not a long read but touches on the important points that need to be considered:
http://www.aikidojournal.com/article.php?articleID=622