But SUDO is the one bastion where it is absolutely essential to not offer hiding keystrokes as an obscure config option, but enable for everyone and their mother?
I guess people are a bit wary of such changes because they dumb down an established system, with more to come.
However as an Ubuntu user since 8.04, I've heard these arguments with every release. Ubuntu has always simplified some things and although sometimes controversial they were often right about UX.
I don’t think you have any idea how wrong you are.