A healthy, sharp Simmons is a great addition to this Nets team.
That said, he hasn’t played NBA basketball in 10+ months and is recovering from mental health issues and a back injury.
Klay Thompson, one of the greatest shooters ever, with years of chemistry with his system and teammates needed weeks worth of game reps to be back to 100%.
For Simmons to get used to the Nets system/rotations on offense and defense against this Celtics offense and defense will be difficult. If they plan on going anywhere this postseason, they might as well bring him in to get reps.
I expect the series to be out of reach by Game 4 and for his addition to be less relevant to the actual games (not the media).