I think Embiid.
I don't think you can win it all today if a center is your best player.
He is also a gigantic man with an extensive list of lower-body injuries.
During his 6 years since he has been drafted, I rarely saw him have good conditioning.
Maybe for a month, month and a half, and then again fatigue, injury...
That is troublesome as he can't execute a game plan due to fatigue.
And more importantly, he as the leader of the team sets an example to others that you don't have to be in optimal shape to play.
The Process ended a long time ago (prematurely), he is the Process personified, I'd turn another page.