I didn´t explain myself properly:) That´s what i wanted to mean, that is easy to punish to the team who set less than 3 players with a 25-0 final score and even give to the other team players 48 minutes each one. I don´t know why actually only 46 or 43 can be given to these players.
i think the reason why they don't allow it, because it would be great for the winning team.
Imagine the situation at the end of the season, Team X is going to train stamina and so his friend the manager from team Y ask him to forfeit in their scrimmage so that he is 100% sure that his trainees get 48 minutes because they won't injure or foul out.(or the chanche of injury is really low, when a remember a forum entry about a injury in a forfeit match correctly)
At least thats my explanation of it.
Thats why i like to have a replacement scrimmage for it, so only the team with the illegal lineup get punished, while the winning team have the chanche to play a training match to get the minutes like anybody else in his division/league/country.