I remember seeing the guests come into the galley and go Ohhh and Ahh over the spotless shining stainless steel
This reminds me of when sailors who weren't in the nuclear power field were allowed into the engineering spaces. Instead of ooohs and ahhs it was usually disappointing for them. I guess they expected a Star Trekish engine room with us nukes standing around in white lab coats while a strange blue/green glow pulsated in the background. Instead all they saw was a nasty old steam plant with pipes, lagging, noisy pumps and turbines running, and annoyed sailors standing around in the heat counting the hours until their watch was over. (Well, except for us ELTs (chemists). We never broke a sweat since our nucleonics lab had to be kept nice and chilly
Thus, along with my not caring to visit another ship's galley I will also skip the engine room tour - which they don't offer anyway but if they did I've already seen it or something close enough to it.