Fair enough, but at the same time IMO many are oddly fine with an open face helmet, no Hans, no full containment seat, no fire suppression system, etc

NHRA IMO does not allow fluids inside the passenger compartment because it does not trust competitors to do it safely, correctly, and/or for it to be supervised properly.
SCCA , Nascar, etc evidently does not have that same concern for cars with significantly much longer on track time of use wheel to wheel.
To each their own.