That there is much spiritual teaching as well as moral instruction in Exodus 22-23 we doubt not, but so far as we are aware God has not yet been pleased to enlighten any of His servants thereon. Let the student, however, read carefully through them, noting how just, comprehensive and perfect were the laws which the Lord gave unto Israel.Arthur W. Pink
Nadab and Abihu as sons of Aaron enjoyed great light and privilege, but this could not ensure their walk with God. Both perished in judgement before the LORD in Leviticus 10.
"They saw God; and they ate and drank." Never again would the people see (a representation of) God. Their very next act was to flagrantly violate the covenant.