Agreed; I only implemented it this way in order to follow the spec:

https://github.com/yale-stc-developer-curriculum/Yalies-On-Rails-2014-Spring/wiki/Week-5-6-Assignments#2-base-specification-required

"sets" => { "SETNAME" => { "name" => "SETNAME", "vidnums" => ["VID1", "VID2", "VID3"] } }