You could say the same about X58 though. What did it offer gamers that LGA1155 didn't?
LGA1366 (X58) came out November 2008.
LGA1156 (P55) came out September 2009.
See the difference? If you wanted an i7, X58 was your only choice for 11 months. It made sense, which is why several enthusiests embraced it. So for Nehalemn, it made perfect sense to go X58.
LGA1155 (P67) came out January 2011.
LGA2011 (X79) came out November 2011.
The mainstream part came out 11 months before the enthusiest part. This is completely reversed. Thus, it makes very little sense for most users to upgrade to SB-E.
X58 -> X79 = 3 years apart.
P55 -> P67 = 1 year, 3 months apart.
In fact, people who bought SB-E are going to have a 7-10% IPC disadvantage real soon. So if they don't use software that is going to load across all 6 cores (or 12 threads) they are going to perform behind IVB.
X79 isn't pointless, that would be an incorrect statement and one that I never made. It is just too little, too late for the majority of enthusiests. This is completely opposite of what X58 was to enthusiests.
However, with that said, if IVB-E launches at the same time as IVB, it might make sense to go X79 for a few more people, but even then I doubt it.