Stating the obvious. The moon is a better target for colonization.
It is closer
It is easier to get to
we know there are resources the colony would need and what can not be found can be made from what is there
The is no risk of an inimical life form, that we know of
Life is like a PB&J sandwich. The older you get, the moldery and crustier you get.
Now, get off my grass!