Five reasons it’s a watershed moment in human spaceflight.
It’s the biggest departure from the ancient Apollo mentality that the agency has ever made.
Casey Handmer does a thorough analysis of just how revolutionary this capability is. We will get not only cheap lunar (and other space) transportation, but cheap lunar bases based on one-way trips of Starships. It also probably means that, for a long time, lunar ISRU for propellant will make no economic sense.