Indy GAVE THE SANKRA STONES BACK to the Indian village because it was their sacred artifact and they needed it far more than him. Temple of Doom literally has him go through this arc of being a James Bond-esque adventurer going after fortune and glory to being humbled and not seeking those things. He also wanted the Grail to remain in the sanctuary, though no one should hold the power of the Ark, I can't remember Crystal Skull too well but even that had the aliens get the Skull back...