Remember, even the Hobby Lobby decision wasn't rooted in the original bill, but in administrative overreach to expand the scope of the original bill.
Abbe Gluck, the Yale prof who is trying to publicly announce how Scalia will rule, is on record as thinking the case against Obamacare was “weak” while she ALSO acknowledged the death-panel law was sloppily written. See a post by her here:
http://balkin.blogspot.com/2013/12/how-congress-works-and-obamacare.html?m=1