I read the Gospel According to Lyman, to Lee, to Hornady and to Speer most evenings before going to bed
Actually the high-tech geekery that is presented sometimes (not as much in the manuals as in magazines and on the web) can be mumbojumbo and bad science... a whole thesis built up on a single test for instance. The word
exactly can need a qualifier as to
how exactly. On the other hand most of it is indeed food for thought. It would be nice to have a lab setup to check the data out.