The following submission statement was provided by /u/mancinedinburgh:

I think the point behind yet another gimmicky-sounding project is that it would mean less foreign microbes from humans/Earth contaminating the moon or Mars. Also, apparently this particular fungus makes a biomass building material (which can easily be transported into space) that is “stronger than concrete” when mixed with a certain type of algae. Who knew?

Please reply to OP's comment here: https://old.reddit.com/r/Futurology/comments/10rwjdm/future_humans_living_on_the_moon_and_mars_may_one/j6y14pl/