We use other people as examples and benchmarks for our lives all the time.
We consistently take a person, hold them up in front for everyone to see, and then say, “Here is how you ought to live.” And, to be honest, it’s not a bad idea if the person has their stuff together. It’s even (in at least some sense) biblical. Paul did that with Jesus and then with himself (1 Cor. 11:1).
What’s this have to do with Psalm 1?