[the_spacebyte]

How so? Can't you do it from the Moon with low delta v as well? (honest question) And I think the Moon's proximity and "static" position relative to the Earth is another great advantage.

[saagarjha]

Escaping the moon’s gravity well requires a decent amount of effort.

[Tepix]

1.73km/s to get into a low orbit. Another 0.68km/s to escape.

[metalliqaz]

With no atmosphere you could use ground-based accelerators