Pulling a bow back three quarter then fire is analogous to a engine with spark plug and ignition system. Taking it all the way back using the full potential gives cleaner and more powerful shot.
Auto-ignite pressure point is the cleanest burn with most power.
If compression ration is to high with four stroke engine, premature detonation, knocking can be a result, destroying the engine.
With this setup it is just a case of when it will ignite, and ignite it will.
Most emission test instruments i