On 3/4/2013 4:51 PM, D.A.Simmons wrote:
> if when you respond to someone's post you
> delete all in the quoted text except the germane part of the body of
> text being addressed.

It tends to go hand-in-hand with top posting, which some clueless
Internet newcomer companies (Microsoft/Google), pretty much force on
their users. People hit reply and type an answer without ever seeing the
mass of cruft they're sending, because they're too lazy to scroll.