The amount of hidden passives is far more than just that, if you actually look at some spells the list of passives begins to get quite rediculous. Example;
PoM as holy
44.2787%SP * 10% hidden passive (seemingly a thing holy just has) * 25% from "divine fury" * 25% from "spiritual healing" * versatility (included in tooltip values)
maybe it's just me but that's in no way intuitive at all.
Have fun working out the renew tooltip ^^
(spellpower%*4ticks*haste*glyph*rapidrenewal*vers*spiritualhealing*hiddenpassive)+(spellpo wer%*initialhit*rapidrenewal*vers*spiritualhealing)