Per launch, how much payload mass can be orbited and then injected into a translunar trajectory? What is the minimum mass of a base worth the name? And most i

Per launch, how much payload mass can be orbited and then injected into a translunar trajectory? What is the minimum mass of a base worth the name? And most importantly, why is no one willing to push back on such mere and flagrant nonsense as this by asking these questions?