I had one library manager admit to me that it was a bit of a guild system: really, the only place you use the proprietary bits of a library science degree is in

I had one library manager admit to me that it was a bit of a guild system: really, the only place you use the proprietary bits of a library science degree is in a library. If they hired anybody who showed proficiency in Dewey Decimal System, processing books and conservation, who would ever get a Master's Degree in it ever again? and of course, these are not a significant portion of the equation anymore.