Wilcox for the Foul King is a hideous downgrade.
No interest whatsoever in this deal - or Stiemsma.
All Wilcox is good for is easy points in transition. We now have plenty of guys who are capable of that (although Doc's offensive strategy isn't making much use of that strength in those guys).
Stiemsma, however, fills a hole on this team. He's a shot blocking presence, which we desperately need when KG is off the floor, and he's a solid rebounder. Wilcox is a worse rebounder than everyone but Terry and Collins.
I'd absolutely do this trade. Who knows, a small fix might be all we need.