Is corrective training still acceptable in the Army?

I had the privilege of taking several Specialists to the Promotion board. (Most of them have made SFC by now). The only time I ever really dusted them off was the day before they got pinned E5.
Each time, I’d find the smallest infraction, and then run them over for a few hours.

Because that wasnt really normal, by the time their ACUs were dripped through and their water all gone, I’d sit down and say something like, “I hope you understand the power and authority you will have over Soldiers. Don’t abuse it. Up until today, I haven’t, and I’ve successfully gotten you to where you want to be. If I had done this to you since day one, you probably wouldn’t be getting promoted tomorrow.”

It always seemed to click with them.

1. Counseling is for the record- the Sm and the counselor. 2. You ALWAYS counsel the bad and the good. 2. There is nothing that says you can't run a School for the Solider on their off days- I did it the whole time is was an NCO. Normally had the NCO chain- monitoring, grading and supervising the SM. It helped "encourage all" to not let it happen again and to prove the point that the NCO's were responsible for their troops. So that was always a part of my remedial training shown on the counseling statement. Also when the statement, it helped build the case for company level punishment if the SM was incorrigible or dumber than rocks.

I heard that punishment should be relevant to the infraction.