I wrote to the LDS headquarters in SLC when I first noticed that they were replacing the old IGI parish register transcripts with patron submissions on the online FamilySearch site, and was told that they created the IGI for their members, and it is only incidental that it is of use to the wider community. So we should be grateful that they supply it freely to all, although I still think it is a great shame that they didn't leave both entries there - the ones extracted from the par regs as well as the patron ones.
Most Family History Centres have the IGI on CD ROMs which have few patron records, and many libraries still have the fiche from the same era.
Sue