There seems to be something in the word "Go" that confuses people about its origin no matter what the context (3 scenarios in your post). Next experiment: try first-post with "Go" and see if the universe explodes
Or are we not talking about capsicums?
Here's an interesting though of mine: What set backs have we wrought ourselves in the history of mankind, that without them we might have advanced to space age a few thousand years earlier and caught up with Mars when it was still much more habitable?
Midieval dark ages come to mind. Can you think of others? I'm discounting natural phenomena, because we couldn't help it.
Judging by the way you spell humour, I'm not surprised you didn't find too much fun in the British division of it. This comment is not derogatory in any way.