Makes sense. Everyone in this space is playing on IT's nostalgia of technologies. If all things remains the same in current time, people will choose a known path over an unknown; even if the future tells them to shift.
Devil you know vs. devil you supposedly don't.
Fibre Channel is the 'coal burning' or fossil fuel based power plant of the storage world. iSCSI and NAS might be considered nuclear power -- efficient and misunderstood because of some vendors purposely screwing up implementations to protect Fibre Channel like coal or fossil fuel.