I think he omitted those because its not really that important.
Jewelry - you have 1 set now for healing, so kinda straightforward for new players.
Innerwear - doesn't even change much and for healer its mostly waste of money.
Race perks - wont even comment on that. Elin is the only viable choice because cuteness and pedophilia
Positioning - its better to say about this when doing instance guides for priest, not general priest guide.
Priorities - didn't he say about those?
Crystal lvl 58 vs 65....
Its guide....
Guides are targeted to new players
Fine Brilliant Crux is 41 mana per 5 seconds for the price of 10-60g per one
Fine Brilliant Niveot is 42 mana per 5 seconds for the price of 1000+g per one.
~940gold for 1 mana per 5 seconds = 12 mana per 1 minute = 120 mana per whole fight thats not even enough for 1 cleanse or 1 lock-on.
And infused crystal? Well you can debate if its better to use carving or brilliant but its just matter of preference.
He didnt encourage crit rate as a stat, he said that you can add it as 4th stat. And I am pretty sure in PvE its best stat from the rest that are available? I often played without infused charm and spammed mana infusion after each triple nemesis for some extra mana every here and there and was fine with it.
The only big mistake he did is the lack of mana glyph on restorative burst and yeah, the glyph build shouldn't be just given to players, especially new ones, but explained what is worth to pick and why.
And the less important thing is that he didn't mention anything about Arise and Guardian Sanctuary skills (essential in PvP but situational in PvE) and etchings (which aren't that important on heal anyway).
BTW: nice mastering of divine intervention.