It all depends on the specific Butler you get.
We sailed in a Garden Villa this year. We had friends onboard who were in an aft Penthouse suite. We happened to be in their suite when their butler came to introduce himself, and spend time showing showing & explaining the layout & amenities of the suite (the smallest suite available). He spent 15-20 minutes explaining everything, and asking what he could do to make their cruise more enjoyable. He was so kind & informative!
Flash forward 20 minutes. We arrived at our Garden Villa and unpacked after looking around. Our butler