Battery relocation wiring

You are missing my point. If you run a separate alternator lead to the battery side of the switch, that wire will still be hot. It is still a danger regardless if the switch is pulled. "Of course" someone needs to pull the switch. But you would really hope that it kills the power

Those switches are not that expensive. If that is what makes or breaks you as a racer, you can't afford it.

70 bucks there are others

http://www.summitracing.com/parts/lng-45782?seid=srese1&gclid=CKW-xoCUz8UCFdKEfgodVY0AXA