Whatever you set you will get player with 36+ minutes in games with 30point difference and about 40+ minutes in close games.
I didnt speak up about few NTs that had no chance to try how it works becose they had to compete from first game on while other had time to do so but that is different story. I like those smartasses who has no clue how things used to work and they work now but dont hesitate to tell veterans what they should do. Maybe if they have a player becose of who they sacraficed their own team results for 10 or more seasons and after that time they suddenly find out it is waste of time becose the guy was not HOF and that he cant play in NT game anymore becose he is not starter so now he is 25% short on money, experiences and game fun would change his mind.
Just run through some NT games that are not blowouts and make statistic how many players are involved and check their minutes.
1 BBB, 23 Leagues, 11 Tournaments, 3 Europe Titles (SVK), 2 World Bronzes (SVK), 2 Europe Bronzes (SVK,FRA), 48 Seasons NT coaching