As my intent was to help other players, so too is this player willing to help me by relaying what I cannot say. Please don't mock or belittle that. Too many of the best PvPers in our community have absolutely no voice here, so I am VERY grateful for their help.
The questions you raised are good. Worthy of a video, but not worthy of a "Light" Machinist Guide. However with them raised, if you know the answers to those, I hope you'll make a guide to explain those things. I can, and maybe I will, but it's not on my project list currently, nor is solely trying to create a Feast-only guide. I dislike what SE has done to the Feast and continues to do/not do, as do many players who even still participate, but that was entirely irrelevant to my main goal of offering helpful starter tips for a job I enjoy.
As it stands, and let me be blunt in saying it now, lest you think I need a "guard dog": If you know more, if you know better, and if you WANT a deeper guide, then you have every bit as much power and freedom to create one as I did to create a basics guide for one job, and I encourage you or anyone else to do so. And your time - everyone's time - would be better spent trying to build up newer PvPers who are interested, than trying to nitpick and point out things I didn't do in a HELPFUL video I didn't intend to do them in.