Columbus’ journal reveals that he solely wanted gold from the Taino, and did not care how he got it. The second time he sailed to the ‘Indies’- really, Hispaniola- he had his men ship 500 Taino to Spain as slaves, and did so of his own free will. He had no orders from Queen Isabella and King Ferdinand. Columbus also forced any Taino over 14 to bring him gold every three months. If they failed, the literally lost their hands.
Basic human decency keeps a normal, sane person from capturing and murdering anywhere from a few