It should be hanged, actually, when referring to capital punishment, except when drawing and quartering are involved. It's a quirk of the language; hung is correct in most circumstances.
You seem to be using the word funny in a sense with which I am not at all familiar. Again, consider the non-native user of English, and the likelihood of encountering him or her on a site like this. "Ironic" grammar policing without an irony indicator isn't at all funny.
