Yes.
When I was in high school, I played on an intramural flag football team. One of the other teams was made up of cheerleaders.
We beat them 98-0 and were striving to get to 100 points. A bunch of geeks with no chance of ever dating cheerleaders, we instead took it out on them in the only way we could.
Is that mature? No.
But we were 15 and 16. This coach should know better that running up the score to try to hit 100 is classless.
If the score was really 25-0 after three minutes in the game, this coach DID NOT run up the score. There are 16 separate 3 minute periods in a 48 minute game. That means that the 3 minute score would multiply out to 400 points.