I think it is the Knicks--by a wide margin. Philly at least has a plan / strategy, and they are following it. Now, even if Embiid gets derailed--that's just sports. Players get hurt, it sucks that they expended a high draft pick, etc. but it was done within the context of following their strategy.
And for the record, I'm not advocating that a team willingly take on four seasons of sucking to beef up on high draft picks. Personally, I think it is bush. But they were willing to do it, they stayed committed to that plan, and they are reaping the benefits in high draft picks.
Conversely, the Knicks can't seem to get out of their own way. Everything feels ad hoc. Is there a strategy in place? And as pointed out above, Dolan is a complete boob.