In 2022 with Buxton playing only 92 games, and a hodgepodge at DH, The DH and CF positions combined for bWAR of 2.4. This season, with Buxton at DH full time and MAT at CF (basically) full time, that number is -0.4.
If Buxton was hitting this year at career average (about 110-ish OPS+), the number wouldn’t be that much better…maybe up to zero or 0.1. And that’s with MAT over-performing slightly.
Again, this could NOT have been a plan. If it was, it was literally a plan to be worse.