Pointless exercise in inventing an unnecessary market segment
Vendor X has admitted that their mainstream storage architecture can't cope with flash and so they acquire an incompatible startup and try and flog you yet another silo... Instead of looking at whether this is sustainable Gartner tries to push another market segment...
It is utterly pointless penalizing integrated architectures by only surveying systems that can ONLY do flash. Flash is no longer niche - within a few years it will start to kill off performance drives so people need to see credible strategies for flash + capacity drives in an integrated infrastructure. These niche flash only platforms will become less and less relevant as flash becomes more and more mainstream.