There’s always a balance for guiding each child, and it can differ even among siblings. Not too harsh, but firm enough.
I know what real guilt tripping is like, out of utter parental selfishness, and oh my, I wish something like what was described here was all I had ever been made to see. I grew up addicted to the guilt trip and had to learn, over decades, to be easier on myself. I don’t know all, but this looks a lot like a wise balance.
Oh my gosh! This is the exact same scenario of a friend of mine with her pre-adolescent son, and yes, it worked with him, too!