rituals aren't normally available in PFS1e, outside those in a handful of APs., neither is Sacred Geometry.
Spell Perfection is pretty rare, since vast majority of PFS characters rarely even get to 12, much less past 12
i agree, the FAQ and Clarifications and even more so the shadow erratas/FAQ/opinions on the message boards were a horrible idea. they could gimp a character without either the GM or player knowing about it, when someone stumbles across it randomly.