[Loren]

Thanks for all the help.

I know tgm isn't one set way, but why would the plane in the amazing changes section always be the turned shoulder plane?

I want the plane that gives me most compression and is easiest for me to get a forward leaning clubshaft at impact.

It is a "set way" in that the basic stroke patterns' component variations are thought to be the best and least compensated. One does not have to comply however as long as you know what you're doing.

Regarding the TSP angle, it's because Homer Kelley thought that the turned shoulder plane was far superior because "any plane shift is dangerous". He associated the elbow plane with pivot-controlled hands and warned against the shoulder turn takeaway as always too flat, or low making a plane shift mandatory, likely unintentional and unsuspected. It is for this reason the right forearm takeaway is preferred, described as mandatory.

The turned shoulder plane is defined as "that reference point reached by the right shoulder after a flat backstroke shoulder turn. With whatever body position (accounting for waist bend) the plane passes through, the right shoulder and hands are precisely AT the right shoulder level at the Top (See Brian Gay's), regardless of plane angle or shoulder turn. But any other shoulder turn can also provide the acceptable reference point."

Shoulder turn and plane angle are two different things. The plane angle is referenced by elbow, hands or various shoulder turns.
The Standard shoulder turn is a flat backstroke and an on-plane downstroke.
In the 7th edition the preferred variation was changed to Rotated shoulder turn, the normal path at right angles to the spine, which can locate a turned shoulder plane angle but doesn't have to. The downstroke may shift to whatever plane angle is chosen.
That looks like what ndwolfe is using.

I think we're struggling a bit with why your hands are too low at impact regardless of plane angle. Not enough axis tilt, right shoulder a little out instead of down. Check the clubshaft at parallel to the ground. It's slightly off plane there. Look to the pivot.
Good looking swing, by the way.