Psalm 123 is the praise of a saint, in his going up to Zion, concerning God’s being gracious to the returned captives. It is not a matter of our loving God’s law but of His being gracious to us.
This is how denominations are formed. The main direction is to come out of the system; it cannot change. "I began to realize that our practices have differed and deviated from our vision. Our vision was the same, our teaching was mostly the same, the truth is always the same, but our practice has really differed."