Question: should we give people access to those necessities?
My thesis is that we must.
If that is agreed, we can build from there.
Of course. If I understand correctly, the question is: what if someone doesn't want to give? (Sorry if this was already answered.)
The natural resources of earth should be declared as common heritage of all people , since they weren't made by you or me they were made by nature , and we both were born on the same planet. We have the exacts same rights.
Now the question is do we behave like retards and fight over them until they are depleted or we die fighting , or do we use our brains to manage shit intelligently , the choice is yours.
I am not sure if that answer your question because it is not precised.