Regarding the 'hotelness' of the Enterprise-D, isn't there also the issue of a lack of section identifiers? Take, for example, engineering aboard the Enterprise-D. The access hallway looks so similar to the hallway by Ten-Forward that it would've been a common issue of civilians wandering into engineering sections.
If they had a junction where the carpet ended and switched to metal, civilians would know immediately that that was the functional area of the deck. Thinking about it, isn't there also the same issue with Sickbay? If I remember correctly, it was just behind a normal door with only a small label.
I apologize if I'm intruding on the conversation, I'm not quite familiar with forum etiquette.