The short answer is, yes you should. Once you get the hang of it, it isn't much work. As far as the stainless ROA, you still should, but you sure shouldn't follow my example, as I live in a very dry climate, so I am lax about cleaning my revolvers. In damp areas, clean them. You won't be sorry.
Also, remove the nipples when you clean the cylinder. When you put them back in, put a small dab of borebutter or anti-seize grease on the threads. They don't need to be overly tightened either.