Perhaps.  You've very good questions.  Whatever the truths, surely greed is a principle reason.  Greed for profit underlying both the lessee and lessor for their own private agenda.  Whether bad or good, greed naturally exists in a capitalistic chess game.   This is why the US is a great nation and has led the world since it was young.  Only in church can you separate greed from commerce.  Our society separates church from government.