"Although the brain stops growing in size by early adolescence, the teen years are all about fine-tuning how the brain works. The brain finishes developing and maturing in the mid-to-late 20s. The part of the brain behind the forehead, called the prefrontal cortex, is one of the last parts to mature. "
What about experience? Can a 23 year old have the experience to understand the gravity of what he is dealing with?
A 23 year old is an adult, can drive, have children and kill people in war.
Stop infantilising the person. You should criticise them based on their actual actions.
That doesn’t answer my question.
"Although the brain stops growing in size by early adolescence, the teen years are all about fine-tuning how the brain works. The brain finishes developing and maturing in the mid-to-late 20s. The part of the brain behind the forehead, called the prefrontal cortex, is one of the last parts to mature. "
https://www.nimh.nih.gov/health/publications/the-teen-brain-7-things-to-know#%3A~%3Atext=Although+the+brain+stops+growing%2Cthe+last+parts+to+mature.