Earlier quoted context omitted.
Exactly. Thankfully nobody is claiming that paracetamol is not killing people - quite clearly, it is. As is MDMA, even if it's quite safe (and fun) to use in most cases.
Well... paracetamol is a modern day denaturing agent. Under DEA influence, paracetamol is included many opiate painkillers to "deter abuse."
Most combination meds try to get synergistic benefits - the combination allows you to use lower doses of both active ingredients. (This probably doesn't work, but that was the intent when the meds were created.)