The kids who came to shop might have been materialistic but they obviously had economic means and weren't who he was looking to help. It was the second group he wanted to help. Those were also the ones he might be able to establish long-term ties with.
廖文華說，來消費的孩子或許貪玩，但顯然較有經濟能力，不是他要幫助的對象；後者才是他想關懷，也可能建立長久關係的對象。