"Some things that are true are not very useful." Elder Boyd K. Packer

Background: I am trying to dissect the following article: “The Mantle Is Far, Far Greater Than the Intellect” by Elder Boyd K. Packer, BYU Studies 21, no. 3 (1981).

The statement is this: "There is a temptation for the writer or the teacher of Church history to want to tell everything, whether it is worthy or faith promoting or not. Some things that are true are not very useful..."

http://byustudies.byu.edu/PDFLibrary/21.3Packer.pdf

Reasons to agree (with packer)

1. 
   

Reasons to disagree (with packer)

1. Joseph Smith taught the following in May 1843, later recorded in Doctrine and Covenants 131:6: “It is impossible for a man to be saved in ignorance.” So why is Packer trying to keep some truths from us?
2. We should be allowed to determine for ourselves what is "useful".