Still the problem is if you are going to include space and space travel, you need to make it actually fun. What is the point of having a ship when you cant even truly explore? Plus if they wanted to us to strictly use fast travel, then they should not of made it possible to travel too far from a certain point. A streamer flew from Pluto's orbit into (and out the other side) of it and it took 7 hours to do so:
However, developer Alanah Pearce discovered the Bethesda RPG's Pluto proves a let-down
kotaku.com