约书亚占领迦南 is not 殖民. Why? God do not want his people to conquer the land but wipe off the while land: no aboriginal be left: a command of act mich more "cruel" than 殖民.
Is our God a cruel god? If you believe 约书亚占领迦南 is 殖民, the answer is straight forward: YES. This is consequence of mis-intepretion of Bible.
God demands Joshua to wipe out the promised land signifies that we , as the promised people, should wipe out anything displaesing God in order to to clean. This is a indispensible process in the santification of our believers.