He has recruited ball handlers and scorers and no defenders. So other teams' FG% goes up and their TO's go down, thus VTs transition offense is shut down and teams can set their defenses up to contain our ball handlers and scorers.

Then, our offensively talented players get frustrated against better opponents and push the issue, trying to win with more offense instead of better defense, and the result is that VT turns the ball over more and shoots worse.