I'd said I'd do a s/o of another thread here: http://www.mothering.com/community/t/1390481/how-do-your-uncircumcised-and-circumcised-sons-relate-to-each-other-and-dad I said that I didn't think that the foreskin had benefits, but was normal, much like I don't think breastfeeding has benefits, it's normal & not breastfeeding has consequences. In the link, I'd brought up an article written many years ago about how in talking about breastfeeding, when we talk about it as being "best," we're doing a disservice to it because it's not best, it's normal. I feel the same way about intactness.
I've looked up both the words benefit & advantageous in the dictionary. Here's the entries from dictionary.com: