It had been hundreds of years since the Israelites left Egypt. He knew that he was religiously lax. Then and there he decided that he would learn his religious responsibility, and when he did, he would do it. So this Israelite man learned what sacrifices he was supposed to offer, when he was supposed to offer them, and how he was supposed to offer them. He learned about grain offerings.
Life is life, and business is business, and reality is reality, and religion is religion.
He had God figured out and religion covered. Now he could get on with life. And the godly prophet named Isaiah made an oral statement for God as the voice of God, and this is what he said. Your hands are covered with blood. I worked hard to understand Your sacrificial system, and to understand it correctly.