The Sith Lord is WRONG!
Yes you can! Jorge is very opinionated on the subject and does not respect other views.
I prune back shade leaves on some plant strains and on some "pure" style Idica's,,,,you need to, to get an even, complete finish on the buds (size, density and quality).
Try it on one and not on another to compare!
I have, and you see what I do!