He could easily pick out flaws in the way we do business. It's not rare in any human institution or in any human life for the lips to be one place and the heart somewhere else.
Religion is the perfect place to hide a heart filled with hatred and resentment.
You can look so pious when you sing and when you pray, that people watching you are convinced that all is well with your soul. You an even delude yourself. Memorize some scripture serve on the church board, have a pin for perfect attendance in Sunday School, and pretty soon you've convinced yourself that your heart is right - even if it is not. I suppose if the truth were known, most of us are hypocrites to one degree or another. All of us believe in a higher ethic than we actually live out.