We need to identify how CLI takes advantage of the stdout and stderr streams to set good expectations and help folks consume the CLI effectively, particularly in pipelining scenarios. I'd love to first get the community's thoughts on what stdout and stderr mean to them. Once we come up with guidance we want to follow we can use the issue to track cleaning up the CLI and its scripts.

/cc a bunch of folks who will have opinions
@nguerrera @juergenpf @blackdwarf @glennc @jaredpar @rainersigwald @MattGertz @davidfowl @eerhardt