You need to use your imagination…
If it's just walking to a ship and literally nothing else then I would agree it's a waste of time but then you don't and you get views like this
…
That's how hype works. Show nice things and let the imagination of the potential customer run wild with imagining the possibilities. The problem with this type of marketing is that the customers at some point notice the absence of all the cool things they imagined.
And for that picture of that cool view - how often do you imagine will players go to that place and look down? Most people will look at it once or twice and then start complaining about how tedious it is having to walk around just to buy stuff (adding that even today we can buy stuff online without having to go to a store).
Edit: oh, that "buying things online" already happened in this thread - I'm slow