That is what the System Map provides when targeting a station for info like docking, refuel, repair, outfitting, commodities, black market etc. Easier to quickly look it up than provide icons for every facility item on the Nav page.
Easier to open the system map and read text when I am flying than to glance at an icon on the Nav panel?
I get your point the info is there, but disagree that meets the need. Perhaps we could be required to open the Galactic map to even plot a jump, rather than use the Nav Panel? Possibly it serves no purpose then?
Lots of information can be conveyed graphically that takes many words to describe. FD should strive for the cockpit HUD to utilize this ability and put as much info as practical into very quick access.
The main point is docking. I don't necessarily want the Nav Panel to show all facilities, but come to think of it that is a GREAT IDEA! So +1 to you.
Maps have loads of icons for fuel, food, etc. Elite needs those too.