> It is pretty wild when you think about it - not so long ago (10 years maybe?) this sort of thing would have been unthinkable.

10 years ago many people thought it would happen well before 2021. The "first operational Dragon spacecraft was launched in December 2010" (https://en.wikipedia.org/wiki/SpaceX) and commercial flights to the ISS were right around the corner (cargo first happened May 2012).