Above all, do no harm.  

I am opposed because I fear my ingrained habits would thrown me under a train.   The del key is not the backspace key, by the way.   The differences between the ways these keys work, or not, seems like a theological argument.  

Forgive me for not answering each point.   I am pretty strongly opposed.

I am a mostly non-programmer, for whom Emacs is an underpinning of my work style.  

Alan Davis