I disagree about the guillotine, but I see it's an emotionally locked topic. You are unwilling to believe that a person thinking another person dying is okay, could do so without hate, even though you understand it just fine with animals and are able to recognize that humans are animals.
State dependent, so I guess it's just as inaccurate to say chamber/injection as it is to say firing/chair/hanging.
Me? The third party spectator? Yeahhhh...don't forget the people that are having the pain inflicted upon them. That's a perspective you probably shouldn't forget about.