"Joint PHYSICAL custody with the mother as the primary CP is the norm at least 92% of the time, with Dad (NCP) getting "visitation" between an occasional supervised dinner up to liberal, which is every other weekend and on night during the week, 30-40% of the time."

I was advised by my lawyer not to get wrapped around the axle about the "primary" designation. In my state at least, it has minimal legal significance. You can have minority of parenting time and still be the "primary custodian" or "primary residence". It doesn't change CS calculations. It doesn't affect the way you interact with schools or medical providers. If you can negotiate an acceptable parenting schedule with joint legal custody, stop fighting, sign the papers and get on with life.