DiLeo can get away with that lineup against the Clippers, but the Sixers aren't going to challenge for the playoffs relying on Theo Ratliff at Center.
In the first place, with all the injuries the Clippers had, they were without a center, which is why the Sixers were able to play Thad at the 4 spot, and Theo at the 5.
But why would you limit your team's height to accomodate the other team? They should have played Speights and allowed him to gain some confidence by dominating against lesser players? The only one with any height for the Clips, Al Thornton, had a field day scoring at will against the Sixers defense.
Iguodala may not be a primary scorer in the NBA, but if he keeps drawing defenders like he did last night he will. He was breaking down his man off the dribble, doing spin moves, either getting an easy basket, drawing a foul or both. Without him the Sixers don't win any of their games.