If they're unmotivated enough to not get there after four review rounds for a junior-appropriate feature, they're not going to get better. It's a little impolit

If they're unmotivated enough to not get there after four review rounds for a junior-appropriate feature, they're not going to get better. It's a little impolite to say, but if you spend any significant amount of time coaching juniors you'll encounter exactly what I'm talking about.