VOR-DME wrote:
Greetings,
First off, please tell me if this is the right forum for newer-minted IR
pilots to discuss approach questions?

If so, have a look at this one :
http://204.108.4.16/d-tpp/0808/00382G22.PDF
GPS22, KSCH. I believe there is an error in the hold in lieu of PT, which
cannot be both "1-min" AND "4NM, but perhaps there is a good reason why
it is charted this way.

My real question though concerns the IAF waypoints. Why are OTOLE and
GALWA charted as fixes or reporting points, and not as GPS waypoints? If
entering using OTOLE as IAF, is one required to fly the hold in lieu of?

Why are OTOLE and
GALWA charted as fixes or reporting points

They are both intersections, i.e. fixes.