Beyond the Sixers playing free and focused tonight, I do think without Embiid they play a much different style that it's harder for us to guard. They play a much more free flowing, motion-type offense with lots of movement (player and ball) and Harden and Maxey as the main ballhandlers who can both pass but also score in iso themselves. By being so Joel focused that makes them a bit easier to defend for us, as there's much less ball and player movement.
On the flip side, they already had no chance of stopping our wings, but that's exacerbated without Joel's big body in the middle. Some give and take there.