Although one might think so. Shoulders are one of the most common complaints I get when training individuals, especially my older male clients. The shoulder ball and socket joint is not like the hip joint where the bones fit together nice and snug. It is a rather open structure held together mostly by muscle and connective tissue. And yet, most sports that include throwing, lifting things overhead, as well as most daily activities that use the arm rely on the integrity of this joint.
Dan John, in his most recent blog post, talks about the kettlebell clean and how it can help to strengthen this somewhat "delicate" joint. If you don't currently subscribe to Dan's blog or haven't read any of his articles, or more importantly, his book, Never Let Go, by all means, start today.
As an added bonus, here is Steve Cotter's instruction of the kettlebell clean.