I think, despite some glaring flaws, PHI will play the game of their lives and take Game 4 (though not in blowout fashion, but still a solid win).
BUT then Boston will take care of business at home in Game 5.
You can tell this PHI team is gassed and also demoralized too. I saw Embiid complaining about foul calls and Brett Brown's statements about "being in good spirits" and that "things just happen" as a sign of that. Brett Brown is also taking a pretty big blow in this series, although it's not entirely his fault. Stevens is just greater, and frankly some guys (looking at Simmons) aren't executing that well.