Just because he espoused capitalism does not mean he was not aware of its weaknesses or did not wish for ways to moderate its excesses. He spoke about it quite

Just because he espoused capitalism does not mean he was not aware of its weaknesses or did not wish for ways to moderate its excesses. He spoke about it quite often in Wealth of Nations, and took his concerns much farther in "Moral Sentiments" - which was about the role of morality in moderating this selfishness.